As Grady stated, it is very important to consider a professional tune with these combos, especially when cams come into play. Because spending half a grand on a tune is out of the question for my budget, Im planning to retain the stock HO cam for my setup (perhaps degreeing it), and then do a custom grind cam and tune at a later date when I have a chance to save up more. My "game plan" is a set of explorer gt40p's with trickflow valve springs and perhaps 1.7's and an explorer upper and lower intake. That gives me a good start, and should make for a quality improvement over stock. When I have more cash to expend, and more desire for power, I can have the heads and intake ported and get a custom grind cam to tie the combo togther and help it fit my needs (remember, My car is also a semi-daily driver, so street manners and "decent" economy is a must) Then wrap it all up with a good tune. Should yield around 300 rwhp, a nice solid street setup IMO
Another great combo that I was considering is the thumper tmoss combo. Tom Moss ports your stock lower intake manifold (which is extremely restrictive from the factory) And Mike Shultz of Thumper performance ports your stock E7s to flow like gt40p's. Thumpers heads use the stock valve size, this leads to increased velocity which results in great low end torque. Thumper's heads and Tmoss's intake compliment eachother great, and a cam could be added to bring even more power out. Shipping put a damper on this combo for me.
Whatever you decide to go with, good luck and make sure to not cheap out on the things that matter the most