Well good for you. I can do the same on closed drivers on the same day that the product is released and with a full feature set.I'll read it once I'm finished using the fantastic FREE and OPEN drivers, which do not exist.
Clap, clap, clap. Congratulations you found some bugs. I would post just the kde bugs on the radeon driver for KDE alone but alas there is a post limit size in these forums.http://bugs.gentoo.org/336837
The nvidia blob is just as buggy and breaks just as often as any other driver. You know it as well as anyone.
Of course, drinking koolaid is always a choice.At least we have a choice over here in ATI-land.