Much depends on your budget, skill level, timeframe, wow level, etc...
I'm 6'5" 230lb and am building a Locost with a 392(351) and intend to have well less than the kit cost in the whole car. The resulting car will have 500+hp 4wdb, ABS, IRS, PS, crusie, etc and weigh about 1400lb.
You might do some lurking on http://locostusa.com/forums/index.php.
http://wrangler.rutgers.edu/gallery/d/36857-5/First+Run+Lotus7+022.jpg
1250lb LC7 with 302 & T5locostv82006-12-20 01:08:33