I've never seen the scrollbar issue, but I can confirm the garbled buttons. I don't have RenderAccel in my xorg.conf file either (that's the place where I could find that option, right?), and I'm using a Radeon Mobility 7500 32mb on an Inspiron 5100.
For those who have only seen the screenshots, most of the artifacts and colors appear of disappear when you hover over the buttons in Epiphany, rhythmbox, etc... -- Cairo and ATI RENDER extension cause scrambled buttons in UbuntuLooks https://launchpad.net/bugs/34435 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
