So... Im assuming the stuff is composite, but I think its a safe guess (or maybe not). Either way, Im talking about the black material that the outside of the ThinkPads are made of. I dont know what sort of cleaning fluid, if any, I should use to best clean the surface.

Separately, I also need to give the keyboard a good clean, any recommendations there?

I have some special LCD screen cleaner cloth thingie for the display itself, and that seems to work fine (but not so well for the outside).

Thanks... ^