In reference to all those "how to price x" posts -- and perhaps as a wake-up call for folks bidding on teeny-tiny freelance jobs and those obsessing about science fiction illustration -- I thought I'd share this link. Successful designer/illustrator/hand-letterer Jessica Hische discusses pricing.
It probably goes without saying, but the kind of numbers she's talking about are not for messy digital paintings or iphone game art, they are for meticulously crafted, mature work suitable for large corporate clients' branding and ad campaigns. A glimpse into another world, really.
This came from drawn.ca, by the way, which is an awesome illustration blog everybody here should be looking at if you aren't already.