Cool, thanks, I may look into these at a later date
There was a pretty neet looking thing reviewed recently here: http://www.trustedreviews.com/mp3/review/2010/08/28/FiiO-E7/p1
There are also a great many available as kits if you're handy with a soldering iron. Most are a pretty easy "electronics by mumbers" type of thing, so it's just a case of assembling the components onto the PCB in the right place. Here's one I built a while back along with some other stuff: http://www.tdsf.co.uk/Audio/Corda.shtml
The Pimeta amp sounds good and you can run it from batteries, so there's no messing about with nasty mains voltage: http://tangentsoft.net/audio/
More ideas here: http://rockgrotto.proboards.com/index.cgi?