Phoronix reflects on the state of ATI Radeon graphics
in Ubuntu, you can read it over here.
"With Ubuntu 11.04 arriving in a little more than a month, the
key packages to be found in this "Natty Narwhal" release are nearly
settled. For those concerned about the open-source ATI graphics stack,
the packages to note are the Linux 2.6.38 kernel, Mesa 7.10.1, and
xf86-video-ati 6.14.0. What does this mean for the conventional user?
This article provides a brief look at the state of open-source ATI in
Ubuntu 11.04."