Potential twin turbo build, looking for injection advise

Boost is addictive, I agree with Subcom and go bigger just incase down the road you build a motor to handle more boost. Just if there a slight hint of building a better engine down the road to multi point injection now and save cost down the road, it's a bit more wiring but the tech support is amazing for megasquirt plus it can do all the things big stuff 3 can but at way less of a cost. Just my .02