My friend Mitch Keeler posted a quick (alright maybe 37 isn’t quck) list of 37 Wordpress theme databases and blogs on his blog Mitchelaneous.com:

Looking for a new WordPress theme? There are a lot of places to go check out before you decide - so make sure you do a lot of comparisons before you decide on the theme you want….

Check it out if your looking for themes and other Wordpress related stuff.