3dfx did it, but that's only because they knew they were either going to go out of business or get bought out. Voodoo drivers were improved by community efforts, who's to say the same can't be done here?

And a counter-argument to the "the driver is crap" line. Take a look at the wikipedia article on PowerVR and scroll down to the MBX section. A lot of devices would be crashing left and right if that were true. A few major ones: N95, iPhone, iPhone 3G, Sony Ericcson P1