Guys spend months or years agonizing over which parts to put into a new build. Shouldn't planning a build be a forum by itself? A newbie like me could say, "I want to build a GTM with the Carbon Fiber package, powered by a modded LS3 that's tame on the street, for under 80K including paint. Oh yeah - and it should be AWD, have a quiet interior, killer stereo and driver adjustable suspension on the fly.

Then a dozen of guys who have built these cars can say that's do-able; but only if you can live without the AWD and the on-the-fly suspension and BTW, this is what you'll need:
...Oh, and if you use ABC brakes, they have them in the blue you're looking for and you won't have to paint them.

Planning well can really save a lot, and the end result would be closer to expectations. Just my .02