Sorry if posted, but that German mag says they got a press sheet from the Sega Europe server :
"Sonic the Hedgehog returns for a full-blown, action-packed adventure through the desolate and unpredictable World of Mubuz, a world dictated by an evil Dragon Lord, Immarius.
Upon entering Muboz, Sonic fights an evil power which turns all the inhabitance into dangerous beasts.
1. Become Wolf Sonic and fight enemies like never before using rapid combo manouvers and Ring Energy
2. Play as Sonic, Knuckles or Tails through 12 packed stages
3. Extensive gameplay brings 2D Sonic gameplay back to home consoles"
"SEGA Confirms a release in 2008, 2D-Gameplay and, so far,
3 playable characters-only
Our surces indicate a presentation during SEGA Gamers Day in May at E3 Time and reveal a worldwide Launch in November 2008. We have tons of more info on SEGA Gamers Day, a possible OutRun 3 and
the Release of Yakuza 2 and 3 in the West. Stay tuned, guys! "
http://www.sega-magazin.de/segaon/