Does anyone know of any web sites, like elance.com, where people seeking web designers by posting their projects online.

Running Off Of the Scriptlance Engine (A crappy one at that :) ):
http://www.scriptlance.com/
http://www.programmerbids.com/
http://www.saith.com/


Others:

http://www.o-ranges.com/
htttp://www.elance.com/
http://www.rentacoder.com/

Guru.com is a another...