pretty sure that if you're doing that much work that any of the Revo maps will not work as they just approximate the hardware that you have and then setup the map as to what they guess will work best.... if you're goign for lots of custom components, the guess-work gets more adn more vague... they should be dyno'ing it, trying a map, re-dyno, another map, another dyno, etc, etc... if not, it's just a pre-defined "best guess" map... the only reason that the "stage2" is any more is because fewer people bother going that far, so they've done that research work and are only going to get a few people to sell that too...
if you're going for lots of custom components, the best bet is to get a specialist tuning company that will take the time to do a PROPER custom map.