BlackBerry Curve 8900 is now available for sale on AT&T’s web site. The handset is reported to be RIM’s lightest and slimmest smartphone that features WiFi, a 3.2 megapixel camera, GPS, a high-resolution display, etc.

With regards to subscription, those who will go for an unlimited data plan will receive free WiFi access at more than 20,000 AT&T WiFi locations. As of now, the BlackBerry Curve 8900 is available for $199 after a two-year customer agreement and $100 mail-in rebate.