Revision 28 of this PSX emulator for Wii and Gamecube, based on WiiSX and PCSX Reloaded, has been released. No specific changelog is given, but looking at Googlecode this version touts a host of bug fixes.
You can get it on GoogleCode
, or you can get both versions here on ZD. Go here
for Gamecube, and here
for the Wii version.