Here is one for the lazy - a pre-installed SFF MAME PC:
http://cgi.ebay.co.uk/DELL-OPTIPLEX-...item3a5843bb38
Not bad actually if you want a dedicated retro machine. Good price too.
The hard drive is a bit small on that DELL and the software a little questionable on legality, but it looks to be a nice SFF for a dedicated retro machine.
I already have a couple of SFF's - an Aopen and Biostar.
---------- Post added at 04:03 PM ---------- Previous post was at 02:24 PM ----------
Ok, had a quick read about the small DELL OPTIPLEX SX270 in the MAME auction above. They have a few known problems (heat, PSU) and the possibility of leaking caps, others seem happy with them and these may have been refurbished.
Worth checking out however, if interested.