Oracle’s price lists
http://www.oracle.com/corporate/pricing/technology-price-list.pdf
and more generally -
http://www.oracle.com/corporate/pricing/pricelists.html
I found these on Oracle’s site while catching up on what’s new and exciting at my old company. I seem to remember this being a closely guarded secret, but it seems times are a’ changin…
Of interest is that ‘Named User Plus’ pricing is actually pretty cheap for a lot of the database products. Of course, what you’ll really want is the processor based licenses for production, but NUP seems to be an inexpensive way to get supported software for development. Cool.