stupid head/cam/intake choices LONG POST

[StockRustang]

i just picked up my 90 GT, aod. first thing on the list is a converter, shift kit and gear but obviously i wanna hold off on the converter untill i get the head/cam/intake thing sorted out.
i dont have a big chunk to throw at the car but i make enough money to where i can get new stuff every check (heads might take me about 2 weeks to save for).
for the cam, i might buy my buddys Crane Compucam, which is similar specs to the E303 (.498 lift).
as far as intakes the 2 i had in mind are the TrickFlow track heat and the Edelbrock Performer RPM. for the first summer the car is out it will be a stock bottom end, but either late 05 or sooner depending on when the motor goes on me i'll be putting a new short block in it and spray the garden hose at it.
now with heads its a toss up. How big is too big with the intakes and cam i listed? and what heads will allow me to have good piston to valve clearance? i like the Jegs aluminum heads for the price, but they are 2.02's and im thinking MAYBE that might be a little much. and the other 2 obvious choices are the AFR 165s and the TFS twisted wedge.
im aiming for, but not limiting it to, low 13's/high 12's on a stock bottom end which i hope is possible (iv seen a few go low 12's). of course all the other basic stuff included, headers, mass air, tbody, injectors, 4.10 gear etc.

sorry for the long post, any help would be really apreciated.