We'll try and keep this updated if new stuff comes out, or the terms of the deals change. These prices are for new two-year contracts, of course, and some of them are available right now.
Verizon - no need for much Black Friday here. Amazon Wireless has everything for a penny right now. The flagship LTE handsets Motorola DROID RAZR and DROID BIONIC, plus the HTC Rezound fell to $0.01, the BlackBerry Bold 9930 as well, and the DROID 3 Global is one cent too. Sam's Club gives a helping hand with a $0.96 deal on the Samsung DROID CHARGE. Verizon's deals include an HTC DROID Incredible 2 in killing red for free on Friday only, as well as Motorola XOOM tablet for $199.99
AT&T - a good deal here seems to be $0.01 for the Samsung Galaxy S II on Amazon. The Infuse 4G is a cent on Amazon as well, and it is to be free at Best Buy, while the LTE darlings - Samsung Galaxy S II Skyrocket and HTC Vivid 4G - are $0.01 on Amazon in their turn.
Sprint - the Motorola PHOTON 4G is $0.01 at Amazon right now. The flagship Samsung Epic 4G Touch is $0.01 at Amazon, much like the HTC EVO 3D 4G.
T-Mobile is left out of the Amazon one cent supersale, with its high-ends there carrying the usual $199.99 price tag, but the Samsung Galaxy S 4G is one cent at Staples.
Apple - Apple is chipping in as usual every year with a Black Friday online promo on 11/25, with iPad 2 savings running up to $40.
Microsoft - the online store is having Windows Phones for free today, so check it out, Amazon has that nasty service cancellation fee in the first six months, after all.
Gameloft - Today through Cyber Monday Gameloft will be offering a game for free each day, but you have to follow its Twitter Android account, since the deal will be active for two hours only, and you don't know when they'll post it
Tablets - Best Buy has a $249.99 Asus Eee Pad Transformer door buster, and the 7" Acer Iconia Tab will be $189.99 there, sulking the Kindle Fire. Staples is having a sale on the 10.1" Acer Iconia Tab for $299.99, while the BlackBerry PlayBook will greet you there with the modest $199.99 price tag, like in Best Buy and Walmart. Best Buy is taking $50 off the Apple iPad 2 today online only as well, which is as good a bargain for an Apple device as you are gonna get.