I am using the Nvidia GeForce FX 5200 and forced Unity on startup.
Everything works fine including glxgears, however I do not have any visible icons in launcher. I know this has been reported as a bug.
According to my logs it seems to be a g_dbus error. If the card was not blacklisted I believe D-bus would be finding the icons. I would like to know exactly what the issue is with this specific card.