I posted about it here. I'm thinking about tackling this project, but I've never done any programming on the empeg, and it's been since college since I did anything involving serial communication and C (or any programming in C). Basically, I'm saying that there will be a pretty good learning curve and I'm not that speedy to begin with, but I'll probably putter away at it. As soon as I get the clams for the XM PCR unit.
On the plus side, if this does get off the ground, anyone will be able to get a tuner for their empeg for $50 (plus subscription) and patrick can make cooler toys instead of tuners.