I would suggest you to go through the SEO FAQ's to start off. To come out of the sandbox you should have 3 things. 1. Patience 2. Good content 3. Relevant links
Guys i came across this article which i thought of sharing here with you as its related to ways of getting out of the Sandbox, i hope its helpful for the SEO's here. blog.webhosting.uk.com/2006/12/03/break-away-from-the-sandbox/
Directory submissions is the best way to getting out of Google's sandbox, if it doesn't work then try some link exchange.
