They already had it working on the My Touch 4G earlier today. It was only a matter of time before the G2 got some love too. Watching the twitter feed from @cmsrc there has been some activity with Froyo -Vision (G2). It is getting there.
As it sits right now the only thing really missing at this point are the GAPPs, which are all your Google Applications. That will happen eventually. For right now the builds will stay as nightlies until the team is confidant the bugs are worked out and GAPPs are working.
If you have any kind of crazy thought in your head and can live without the Google apps for a bit you can head over to the TeamDouche Mirror Network and pick up the latest build if you are flash happy.
UPDATE: As usual these guys work faster then anyone else can keep up. I have a new image of build #9 being downloaded via ROM Manager. looks like the rumor I heard and tried to confirm of GAPPs working were false. At least we know ROM Manager Is able to download the nightlies proof positive. saves you a trip to the PC.
Have you already got this up and running? What do you think about it?