turbo help

Hey guys I need help setting up a turbo for my 95 civic. I have the turbo, I wanna run 10 psi of boost with stock internals. I talked to a guy about tuning it and he said I need a Fuel Management Unit, an ecu and a fuel pump. He recommended a Hondata S300 what do you guys think?? What about a...

Sorry if I have noobish questions, but I have been trying to do a lot of reading and I was wondering, when going turbo is it okay to install the turbo first then start building the engine (new cam, valve springs, etc.). Or should i do the engine then buy the turbo last? I know the engine can...