The new Street Fighter, the 4th in the series and a return to it's roots, will be developed for Playstation 3, XBOX 360 and PC. No Wii version has been announced and it is unlikely Capcom will do a U-turn and release the game on Nintendo's mean machine now.
The game runs in that popular 2.5D perspective and is said to have finishing combinations that will go "beyond any Street Fighter fan's wildest imagination". We find the prior quote to be an example of marketing genius.
We're not really that excited because Chun-Li has thighs the size of Russia.