For what it’s worth, here’s a picture of Ubuntu Linux running under VMWare Fusion on my new Macbook Pro. You can’t really see the lighted keyboard very well because the backlight is white.
Obviously this makes it very easy when developing software since I can test it on any necessary operating system. An advantage of using VMWare for the virtual machine is that VMWare provides several dozen “pre-built” images that I can download and install, giving me access to components I wouldn’t normally be able to have.
Plus, I can now play games in Windows without having a separate machine and I don’t have to mess with Fink or DarwinPorts to have Linux programs running under OS X.