Hi Plexer. It depends on the applications you'd want to run. If it's normal file, print, internet, nothing too 3D, I'd be tempted to go for the X series as it's cheaper, or even the U series. U series is USB which means you don't have to add a PCI card to the host PC like the X series, and handles multimedia pretty well. It's cheaper than the L series and will work with 64 bit O/Ss by the end of the month. I know a couple of VARs who sell NComputing into schools who would be able to provide you with some school contacts.