GSM should, to a certain extent, work. On my phone I was able to make calls (mic works, so the other side can hear you but you wont hear them), receive and send SMS. Incoming calls are disconnected directly but show up in the log.
And as I wasn't able to set up my APN, I was unable to test GPRS.
And yeah, touchscreen calibration is a little bit off. I'll see if I can get this fixed tomorrow. Can you tell me what problems did you have?
And by the way, if your SIM is locked, you'll need to unlock it from WM first. Although Android can accept the pin and unlock the SIM, it'll have trouble connecting to network afterwards.
Development is probably going to be slow, it seems that there's only raditzgds and me working on the Opal. And, although I have been lucky with some stuff so far, I lack the experience and knowledge for this project. I'm still learning as I go. Plus, at the moment, our progress won't go beyond what wing-linux are achieving, and that project is also suffering from lack of developers.