Best Buy is offering its Reward Zone members the Nexus S from Google Android Smartphone for $99.99 ($529 contract-Free, $199.99 – 100 instant savings on contract) with a 2-year activation on T-Mobile for a limited time. Deal is only valid in-store and requires a coupon, see full details. Deal expires March 23, 2011. [Store locator]

The Nexus S is the second-generation of the Nexus smart phone from Google. It’s loaded with great features and boasts Android 2.3 (Gingerbread), the newest version of Android. Features include built-in mobile hotspot capability, improved voice action, better navigation and popular Google features like Gmail. Its sleek 4″ WVGA contour display offers maximized visibility. The 5.0MP digital camera lets you easily snap great photos to share.

Reward Zone is Best Buy’s FREE loyalty program that allows customers to accumulate points from purchase in-store, online, or with their partners. These points can then be redeemed for rewards certificates to be used at Best Buy. Being a member of Reward Zone also give you access to special event and offers, such as this one. Sign up here.