Fans didn't wait for a PC port from Sony and did everything themselves.
Recently, the creators of the OpenGOAL project announced the release of a native PC port of Jak 3 and released a trailer.
Now you can enjoy the Naughty Dog classic without an emulator (provided you have a legal copy):
With this release, the entire trilogy is now available on PC: Jak and Daxter: The Precursor Legacy, Jak 2 and 3. The files have already been published online in the public domain.