www.gimme-website.com is my portfolio.
Its hard to give you an average price, because there is no average job. But I can tell you i'm $300 per day and you get direct contact with me your designer (no outsourcing). My folio is due a update soon but its quite representative of what I can do (i.e i'm not just showing you the good stuff).
Harvey ^^^ up there is darn good too.