PC version Fans have made a PC version. Some are still early, so read the project page first.
Fans took Street Fighter 3: 3rd Strike Online Edition apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here is the project we know about:
Static recompilation of SFIII 3rd Strike Online Edition (XBLA) for Windows and Linux, built on the ReXGlue SDK.