Smarsh kindley started a New Users page in the wiki here:

http://wiki.maemo.org/New_users#The_...900....3F_list

And I've just been a posted a whole long list of very basic questions to it. It would be good if we had as many answers as possible before Shipping Day. And there are probably lots more questions I didn't think to ask about things that aren't my personal area of interest (*coughgamescough*)