For its "M" Club members only, mwave.com offers the Western Digital Caviar GP 2TB Serial ATA 3Gb/s Internal Hard Drive, model no. WD20EADS, for $139.99 with free shipping ($0.07/GB) via the directions below. That's $5 under yesterday's mention and tied for the lowest total price we've seen for this hard drive. This "green" product promises reduced power consumption compared to other models by up to 50%. It features a 32MB cache. To get this deal:

1. Click here and sign up for the "M" Club (it's free)
2. add the Western Digital Caviar GP 2TB SATA 3Gb/s Internal Hard Drive to your cart for $149.99
3. apply coupon code "SUBSCRIBER" to drop it to $139.99

For its "M" Club members only, mwave.com offers the ASUS 802.11n Wireless PCI Adapter, model no. PCE-N13, for $19.99. ("M" Club membership is free; click here to sign up.) With free shipping, that's the lowest total price we could find by $11.

Sears takes up to 70% off select mattresses during its ongoing Mattress Sale. That's tied with last week's mention, and is among the best deals we've seen on these items. Although shipping starts at $65, that still puts many of these mattresses at the lowest total prices we could find. Sales tax is added where applicable. Some best bets:

• Sears-O-Pedic Paramus Select Plush Full Mattress for $169.88
• Sealy Union LTD Plush Pillowtop Queen Mattress for $219.88
• Serta Perfect Sleeper Auburn Firm Queen Mattress (pictured) for $439.88
• Sealy Posturepedic Cason Bay Plush Euro Pillowtop King Mattress for $659.88
• browse for more discounted mattresses at Sears

Ending today, NikeStore slashes up to 70% off items in its clearance section. (Click on "Clearance" on the left.) Plus, take an additional 20% off clearance prices via coupon code "NEXT76". Together, that's the best such coupon we've seen for clearance items from NikeStore in recent weeks. Shipping costs $8, or spend $175 or more to qualify for free shipping. Sales tax is added where applicable.

Jet Blue $10 Fares from NYC JFK to other 10 destinations, Mar 08

Today only. Jet Blue is offering $10 Fares from NYC JFK to its First 10 Destinations. Click on their logo "jetBlue" on the top to see details. Travel Tuesday or Wednesday, March 9 or 10, 2010. Must book today for this promotion.

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Today only, DailyDeals.net offers Two Nu-Pore Collagen Essence Masks 2-Packs for $4.99 with free shipping. That's $5 under list and the lowest total price we could find for four of these masks. You will receive two aloe masks and two cucumber masks.

With activation of a new account, Wirefly.com offers the Motorola BACKFLIP Smartphone for AT&T Wireless in Black for free with free activation. With free shipping, that's the lowest total price we could find for this recently-released cell phone by $50. This tri-band WCDMA (850/1900/2100) and quad-band GSM (850/900/1800/1900) phone features Google Android 1.5 (upgradable to Android 2.1), MOTOBLUR for social networking, a sliding QWERTY keyboard, 3.1" 320x480 touchscreen, 5-megapixel camera with LED flash, EDGE, 802.11g wireless, Bluetooth 2.0 + EDR, microSD slot, USB connectivity, and more.

BuyDig.com offers the Nikon D5000 12.3-Megapixel Digital SLR Camera Body, model no. 25452, with the Nikkor AF-S DX 18-55mm f/3.5-5.6G VR Lens and Nikkor AF-S DX 55-200mm f/4-5.6G VR Lens for $779 with free shipping. That's $46 less than the lowest total price we could find for these items if purchased separately elsewhere. The D5000 features a 2.7" LCD, 720p video recording, 4 fps burst, dust reduction system, SDHC card slot, HDMI and USB connectivity, and more.

Kohl's offers the Home Classics Peached Full / Queen Down Comforter in Blue for $29.99. Add it to your cart and apply coupon code "NEW9054" to cut the price to $26.99. With $6.95 for shipping, it's $123 off and the lowest total price we've seen for such a down comforter so far this year. Sales tax is added where applicable.

Of note, it's available in twin or king for $35.09 and $43.19, respectively, after the coupon above.

Sally Beauty Supply takes 20% off sitewide, even on clearance items, with no minimum required via coupon code "444254". That's the best discount we've ever seen from this merchant. Shipping adds $5.95 or get free shipping on orders of $50 or more. Coupon expires April 4.

At participating Panda Express restaurants, receive an order of Honey Walnut Shrimp for free via this printable coupon. (This coupon is valid on March 10 only.) That's the best coupon we've seen from Panda Express. (Most Panda Express coupons require a minimum purchase.)

Today only, IHavetoHaveThat.com offers the Zip Snake Drain Cleaner for $5.99 with 99 cents for shipping. That's $9 under list and the lowest total price we could find. It can be used to unclog slow drains. It can be used for bathroom sinks, showers, and tubs.

Newegg has Madworld Wii Game for $10 with free shipping. Same price at Amazon with free shipping $25+.

OfficeMax offers the Samsung ML-2525 Laser Printer for $59.99. With free shipping, that's the lowest total price we could find by $13. Sales tax is added where applicable. This monochrome printer features a print speed of up to 24 ppm and USB connectivity.

Today only, DailyDeals.net offers the Samsung WEP650 Bluetooth Headset, model no. AWEP650JSECSTA, for $19.95. This $25 mail-in rebate yields a profit of $5.05. With $5 for shipping, that's $4 under our mention from February and the best deal we've seen on this headset. Features include up to 6 hours of talk time, 150 hours of standby, and more. Rebate expires March 31.

The iTunes App Store offers Flashcard Touch for iPhone / iPod touch for free. That's a $3 drop and the lowest total price we could find for this flash card application. Deal ends March 31.