Should you be curious on how to control the viewing options for the new visualiser in iTunes 8, then wonder no more.

All you need to do is press ? when you have the visualiser running, and then the following shortcuts will work:

? –  Toggle help screen

M – Change mode

P – Change palette

I – Display track info

C – Toggle auto-cycle (on by default)

F – Toggle Freeze mode

N – Toggle Nebula mode

L – Toggle Camera Lock