The word from engadget mobile is that Research In Motion has now gone official with the BlackBerry Curve 8520, better known as the BlackBerry Gemini on T-Mobile.

The BlackBerry Curve 8520 is now up on the RIM webiste with specs like a 2 megapixel camera with video recording, 320 x 240 resolution display, ,multimedia player, WiFi, 1150mAh battery ,

The most interesting new is that RIM promises “out of the box Mac compatibility,” which basically means users can sync contacts, notes and calendars via the BlackBerry Desktop Software on Apple’s computers. We have a quick intro video of the BlackBerry Curve 8520 on T-Mobile for your viewing pleasure below.