LG Nitro HD and Samsung Galaxy S II Skyrocket

One new smartphone and another revamped are now available from AT&T. First up is the LG Nitro HD, the carrier's version of the LG Optimus HD. It sports a 720p display and has AT&T's new LTE high-speed data. The Samsung Galaxy S II Skyrocket -- AT&T's LTE version of the Galaxy S II (and scaled up to 4.5 inches) -- also is now available in white.

The Nitro HD is going for $249.99 on contract, as is the Skyrocket.

More: AT&T (Nitro HD, Skyrocket)