Hell, i wouldnt worry bout changing wheels. he's got the old school supra wheels everyone wants, i'd just lower it with new shocks.
If you are gonna do a 2j i wouldnt bother getting any kind of engine management for the 5m, waste of money. just be ready to pour more money into it than you'll ever get back when you do the swap lol
Its called boost; the only replacement for displacement.I would like some expertize in this area....