Hey man. All of your questions were already answered here:
http://www.tristatetuners.com/forum/...ad.php?t=20292
Don't think too hard. Your going to need a computer that will run Vtec, whether you decide to stay OBD-1 or 2 will determine which one you get. The necessary wiring will need to be added to your current harness. If you want this done right the first time, PM me.
