No offense, but that's an extremely trivial complaint. No one chooses distributions based on whether or not it has to be rebooted after installing a video driver. You can of course restart your X Server for the changes to take effect. However, Ubuntu isn't going to ask you to do so as it's intended for beginners. Restarting the system works too. IMHO, if you don't have time to spend two minutes rebooting your system, you probably have bigger problems to worry about.
[Modified by: jlacroix on October 25, 2007 01:07 PM]
[Modified by: jlacroix on October 25, 2007 01:08 PM]