SNES9x Euphoria is a speed optimized version, based off the last version of SNES9xTYL by rukka.

Release notes:

The new R2.1 release fixes a bug with loading a new ROM (it would crash the PSP)

http://www.retroemu.com/forum/index.php?/topic/30-release-snes9x-euphoria-r2-bugfixes-galore/