ye that is all fine, try it this...
FAA PPL
Hour Build (Though you dont need to until before your CPL)
JAA ATPL's
Multi Engine
JAA CPL
JAA IR (multi recommended)
MCC
TYPE Rating (if £££ allows!!!)
If you are doing it all modular, I suggest doing the FAA PPL, Hour Building, Multi Engine and JAA CPL in the states. Much cheaper in the states.
Come back to the UK for JAA IR - I wouldn't waste any time with FAA IR, then the hassle of trying to convert it.