A wise man once said 'Speed costs money, how fast do you want to go?' That said, realistically, it will probably cost around a thousand bucks if you've got the Ls motor and tranny. You'll also need among other things a complete vtec head (which I happen to have for sale!). A basic sight to start with would be
http://www.angelfire.com/dc/lsvtec/2019.html, but you can find many resources on the web and on this message board, just search for LsVtec.