Via likes to lie. They have been stoking the 'linux ready' and 'open source
graphics' pipe for a long time now and it has never really turned out to
have any sort of basis in reality.
Intel is still the best bet and ATI is quickly gaining ground if your
interesting in open source graphics. Just buy Intel's home grown graphics
stuff and not the stuff they license from 'Imagination Technologies'.
ATI should be interesting, though. Their IGP is much faster then Intel's
and, of course, their discrete graphics chips are massively faster. I just
don't know what to recommend to buy at this time.