http://news.teamxbox.com/xbox/14156/Summer-Heats-Up-On-Xbox-LIVE-Arcade/
Yay! No specific date unfortunately, but it's coming.
“Streets of Rage 2” (Sega) One of the most popular side-scrolling beat ‘em ups of the 90’s gets the Xbox LIVE Arcade treatment, complete with enhanced graphics, sound, Achievements and multiplayer modes.
Yay! No specific date unfortunately, but it's coming.