AT&T Might Pricematch, I do know for a fact that Best Buy Will not because it is an "Online" deal and you can't go to the store and pick it up. Stupid policy if you ask me but that is Best Buy for you. Unless you can actually get an AT&T store willing to do the price match at the store than Best Buy would be obligated to match it. Wow just looked at Amazon.com and ALL of the Android Phones on AT&T are going for a penny.
HTC Vivid + SGSIII
Acer Iconia A500
T-Mobile Dash, T-Mobile Wing, iPhone 3g, Garminfone, HTC G2, MyTouch 4G, Motorola Atrix, Motorola Atrix 2, Samsung Skyrocket, HTC Titan, SGSII, LG Thrill
And a Long list of Stuff Prior to Smart Phone Existence.