Grador, I indeed heard about the R.Pi boards and this is an interesting way to go, but I'm pretty much set now on PCH A-400. It should have plenty of powah and very large base of users and more importantly modders
I was looking for plex - since server based processing is very interesting to me, but for now skipped it for lack of hd codec support.
I'm pretty much figured the way to install java in jail on freenas, just didn't had time to implement it yet..