I contacted the company a week or two ago and they suggested that I try the 6030P
"is our fanless unit with PXe software. This unit costs $199 for 128 RAM. I can see what the cost would be for 256, 512 or 1 gig RAM. Let me know if you would like these quotes. If you looks at he specs for the 6030 series in the attachment I sent you in the previous email, it will have the same specs as these, only differences being the software and flash/RAM."
I haven't inquired further.. but if you got one for 139$ that works I would love to hear about it.
We have a lot of experience with Via based machines with Pluto and now with lmce. The 6030 range is based on a C3 processor which we have used successfully in the past so it should be ok. You'd want at least a 1Ghz processor and if you want to us the machine to act as a full MD with video playback etc then you'd need have enough RAM to allocate at least 64mb to video memory... so realistically that means 512mb in our experience. Remember PXE boot means that all the processing/video handling etc is happening locally in the MD's processor and the Core is just acting like a big remote hard drive essentially. A C3 at 1Ghz would be about the minimum for SD video playback under UI1.
Currently we are focussed on motherboards using the Via C7 processor clocked at between 1.2 & 2.0 Ghz combined with either the CN700 or CX700M graphics chip.