On Publisherforums.com you can get a free site review, SEO tips, explanation how to test a web-hosting company and other such things.

You can buy or sell site/domain/template/script or service. Current members are moderately educated webmasters willing to help or answer questions.

A big $800 contest is running right now (prizes are all in cash) and when this one ends, a new one will start, as said. So check it out.