[DonC]

Eroc:
You have just taken the first step on a long, slippery, agonizing, frustrating and ultimately totally satisfying slope.
Best advice is to go through the various segments of this site and get some initial feelings about the different kits from the posts and then investigate further.
ST has nailed one of the two PIMARY considerations that have to be nailed down. Money and Time. Once you have decided on these the rest becomes a bit easier.
DonC