I got the computer.
Newegg was in my local area so I got the shipment in a day.
The performance is definitely acceptable and good enough to play all the video files I have thrown at them (ranging from 500MB to 30 GB).
Video output quality is I think okay although the color and brightness seem kind of off.
I had to unload a lot of crap bloatware.
Lots of windows update errors and so on and difficulties with MacDrive reminded me of why I do not use a Windows computer for day-to-day mundane activities.
But XBMC is really great and although I was having some difficulties with the Korean subtitles not showing up correctly, I got around it by just installing the XBMC korean version.
All in all, it's an amazing deal for the computer.
$199 (not counting the $40 MIR) and some accessories like wireless keyboard ($19+ remote ($15) for total net cost of $200 with taxes ... definitely outperforms the combo of Roku 3 ($99), Apple TV ($75-99), 3D Bluray player ($70 at the time), which are the the devices I had connected to the AV/projector.
I'm still tinkering with XBMC with add-ons and shuffling around hard drives so that I could use the 4TB that was formatted in Journaled MACOSX format but other than that, everything is running smoothly.
I hope that one day the HD Audio issue gets worked out.