A partial list:
- An understandable guide to the intricacies of
aliasadm - A ‘delete all from spam folder’ button in gmail
- the phone number of the gmail product manager to:
(a) ask for a ‘delete all from spam folder’ button in gmail
(b) ask them to delete all 380849 spam emails from my spam folder for me so I don’t have to do it 100 at a time, and sidestepping the resulting 7616 clicks necessary to do so
I’ve mailed gmail support already, before you ask.
Argh.
Petafloptimism 
What did you sign up for that gives you so much spam?
Have you investigated Greasemonkey? I hear it’s pretty popular for handling recalcitrant web interfaces…