http://www.2advanced.com
Expensive as shit i'm sure, but I had to link to it lol. They are one of the best.
Maybe look around
http://www.thefwa.com to see if you can find some designer portfolios if you are looking for high end work.
There was an adult site that came on here that had an awesome flash site, they would probably do great work. Unfortunately , I forgot their name. Something like rocket studio, red rocket studios. If anyone knows who I am referring to, please link it up for meta man.
Good luck with your search