Wii Gamecube DS PS2
Some of the finest emulators are now wrapped for mac
zeroDS, a Custom Wrapper for NO$GBA
http://rapidshare.com/files/366167307/zeroDS.7z
Shark is a Nintendo GameCube and Wii Emulator, a custom Wrapper for the Windows version of Dolphin.
http://rapidshare.com/files/366170879/Shark.dmg.zip
Here's a test build of zeroPS2, a wrapper for PCSX2
http://rapidshare.com/files/366538448/zeroPS2__test_build_20090702_.zip
Right-click the respective apps and choose 'Show Package Contents' to store/access/organize your roms and savegames
Enjoy!