The following are the best PS2 emulators:
- PCSX 2 - This is the first Playstation 2 emu created for the pc (i think). So far it only plays a few demos, but it's progressing ever so nicely. It's from the people that made PCSX, the Playstation emulator.
PS2emu - A new addition to existing ps2 emulators.
NeutrinoSX2 - This is a new Playstation 2 emulator. It's around the same level as PCSX 2 and open source. The author is looking for help in coding this emulator.
PS2DC64 - is a Commodore 64 emulator for the PlayStation2 and runs at full speed with full sound support.
Wonder-Station - WonderSwan emulator for the Playstation2.