Wanted to stop by and give a shout out to Scott - great to see you still hacking away on AppleTVs! I haven't gotten MrMC up and running yet (just got an ATV4) but I've used XBMC since the original X-Box days, and I'm pretty excited to see how well it works on the new hardware.
The 6-character username minimum is cramping my style here
I haven't done any ATV development on the new platform, but I'd be happy to help if there's anything I can do.
- turbo