lookin for some insite, few questions on 5s vs 3s Options

[TRD_Ian]

ok so im readin along here and iv been thinking about boostin my 5sfe in my 94 gts....altho it has 290kms i would have to rebuild it.....what i am wondering is which is a better bang for you buck/better motor for hp what can our fs handle for boost on stock guts? and what can a 3s handle?....also what are you guys using for managment? apexi? megasquirt? emanage?...im lookin at buildin a a machine outa this car and some thing that can contend with a tt supra and gts skyline...
iv been lookin around and i havent been able to find in the faq's what is needed to drop in a st205....im new to this and trying to learn...guide me lol