and completely fixed in 9.2.
3d with composite affects the whole linux graphics stack. It will (finally) be fixed at some point in 2009.
You also forgot to complain about video decoding (they are working on it) and OpenCL (they already demonstrated an implementation - check youtube.)
Their drivers are getting pretty good. Don't believe me? Try installing 7.12 or 8.1 (just one year back) and see for yourself