Personally, I think the aTV is one slick device. I would already have one, except for 2 things.
1. DVDs ripped as Video_TS folders are not supported. Sure, I could convert to MPEG-4 or h.264, but that takes up time and computing resources to convert. Support for VIDEO_TS MPEG-2 right out of the box would have been great.
2. Native HD files recorded from EyeTV or other devices are not supported. Again, I could convert the file, but it just seems unnecessarily fussy.
I can live with the 720/24p limitation ... well, maybe not. 1080i MPEG-2 support would be the minimum for me. Too many 1080i broadcasters out there.
Maybe rev 2 will address these features.
ft
#1 is not true as nitoTV allows you to watch Video_TS on the ATV (and ISO's and DVD's on an attached USB DVD player for that matter).
Not sure what format you mean for #2 but I'd be surprised if nitoTV, ATVFiles or the cool Sapphire plugin couldn't handle it.
For EyeTV and 1080i here's a good write-up from the Apple Discussion Boards:
http://discussions.apple.com/thread.jspa?messageID=5143313
Here is one way to get high quality HD content onto your AppleTV for little more than buckets full of your time and storage. (There are much more space efficient ways, but this is the easiest to document here.)
Programs Required: EyeTV 2 + ATSC Tuner (for recording HD OTA broadcasts), MPEG Streamclip, JES Deinterlacer, QT Pro
For 1080i Content
1. Record over the air HD broadcast via EyeTV Hybrid or something similar.
2. Using MPEG Streamclip output a QT movie using MotionJPEG or PhotoJPEG as the CODEC. You can also use MPEG Streamclip to scale down to 720i at this step. NOTE: Do Not deinterlace the footage yet!
This step creates a massive new file but the quality is stellar. (Ex. 23gb for one 22min 720p television show.)
3. Taking your newly created monster file, use this as your source file for JES Deinterlacer and choose Inverse Telecine as the project. JES Deinterlacer is a great, free tool that allows you to easily do an inverse telecine on many types of footage. This is the best way to convert 30fps footage back to 24fps. 24fps is also a requirement for QT Pro to keep HD footage at HD resolutions when using the Export to AppleTV preset. (I.e. Even if your footage is 720p it will downconvert to SD if the frame rate is anything other than 24fps or 23.98fps.) JES will create another gargantuan file of equal size and quality to your first file, but now it will be in perfect-looking progressive scan, 24fps. More detailed instructions on this tool are available in its help file.
4. Take your 2nd gargantuan file, and compress it via QT Pro using the AppleTV preset and voila, you have a great HD file that is just as good looking as any of the HD trailers on Apple.