A perfectly good site. It is made for the PCSX2 project, and tries to create a PS2 emulator. Downloads for officially released builds can be found here.
Norton has been reporting version 0.9.8 as a virus, but apparently this has been fixed with the newer versions of the antivirus.
The PCSX2 project attempts to allow PS2 code to be executed on your computer, thus meaning you can put a PS2 DVD or CD into your computers drive, and boot it up!