imbNES is now open source! That's the good news. The bad news is that due to time constraints, I personally won't be able to work on it anymore. I hope that someone out there has the desire to take this project and do something interesting with it. Especially if you're a programmer who is interested in working in the video game industry some day, the knowledge that you'll pick up working on an NES emulator that runs on the PSX will be extremely useful even today in terms of understanding how this stuff all works.