If you want thin, the DROID RAZR MAXX by Motorola is now available at Verizon Wireless and coming in at 8.99 mm it is ultra thin.
Release Date: Thursday January 26, 2012
Carrier: Verizon Wireless
Retail Price: $649.99
Phone Price: $299.99 with 2-Year contract
Hot Features: 1.2 GHz dual-core processor, 4.3" Super AMOLED advanced display, 8MP camera with panorama mode, 1080p HD video capture with stabilization