Fan favourite Sonic CD is finally going to see a release on Xbox Live Arcade, after Microsoft's Major Nelson confirmed its existence on his blog last night.
The game will feature alongside other XBLA titles at the upcoming Penny Arcade Expo Prime event in Seattle, including Trials Evolution
, Skulls of the Shogun
, Ms. Splosion Man
and Trine 2
Microsoft will be having a major presence at PAX Prime, with several booths showcasing Mass Effect 3
, Gears of War 3
and various Kinect titles, along with developer panels and a mini-convention called Halofest.