Announced at CTIA 2011, the Motorola ATRIX 2 is now available from AT&T. The Motorola LapDock 100 accessory is not yet listed on AT&T’s site. While available from AT&T for US$99.99, Amazon.com is already offering the Motorola Atrix 2 4G for US$49.99 [Affiliate link] (with a two-year contract). AT&T is also offering it contract-free for US$449.99.