Today only, Best Buy is offering a free Google Nexus S 4G — made by Samsung — to customers willing to sign (or extend) a two-year agreement with Sprint, AT&T, or T-Mobile. This handset features a 4.0-inch Super AMOLED display, 1.0-GHz ARM Cortex-A8 processor, 5MP camera, and 512MB of RAM. Continue reading for a Nexus S 4G video preview.

Nexus S is a pure Google experience phone and runs Android 2.3, Gingerbread, the fastest version of Android available, and will be offered free starting tonight at 11:00 p.m. CST, through Aug. 3, at 11:59 p.m. CT.

[via Engadget]