XP64.
When I first got hold of it, I had I think 180 day trial of it.
At the time, I was using an Epson C42 Printer and a BT Voyager 100 USB Modem. These were the ONLY 2 things that I had not found drivers for.
I decided to go for a Router instead as I needed one for Linux anyway, and the Printer was even back then, starting to show its age, and so I said bugger it, I will get a better printer.
By the time I had those sorted, the missus bought me XP64 for an early birthday pressie and I never looked back.
From that day onwards I never once found any issues at all with drivers or software.
Sure, ok, there was a few things, but these were sorted with simply downloading the 64Bit versions, such as O&O DeFrag etc, and I do miss PAGEDEFRAG but anything else was simply not worth worrying about. As for drivers, I simply made sure that everything I bought was 64 bit compatible and really... Everything pretty much was, and if not, it was simply not worth buying.
Ok, on to the O/P
XBMC - Downloaded but it came up with a notice saying that I needed OpenGL capable Display... Im only using OnBoard. the Pc is simply not worth me wasting any cash on it for a low profile gfx pci card and so for now, I will simply stick to Windows XP ( Although I do still have a Media Center Licence somewhere and I might actually chuck that on for a kick as I even have the remote control and the little receiver but never bothered with it... That might be worth a laugh,
The thing is only a Celeron 1.8 and I am quite frankly disgusted at just how slow it is!
I need my kids to check in the attic for what CPUs I have for an old P4 S478 as I know I have a few 478 CPUs, maybe a 2Ghz up there in the CPU box.. Maybe?
Other than that, I might even try the MM for an old base unit suitable.