Hey! Welcome to the club! You've got a great year for modding. As a matter of fact, the top 2 fastest Bonnies in the country, and possibly the world, are '00 SSEis!
To start off, try these sites:
For where to start:
For some excellet parts for your '00:
And to get some help on those issues, try searching using the search link on the upper right hand corner, or, if you can't find what you're looking for, you can post here
and a Resident Gearhead will be happy to troubleshoot for you!