Help wiring a B16A1 in my 89 CRX Si

I am going to buy a B16A1 for my 89 CRX Si. It is one of the ones that comes from japan with 130k miles on it. The engine, transmission and computer is going to cost $1400. I know how to put the engine in. But I have two questions. Number 1, I don't know how to wire a VTEC. Are there any good sites with pictures on how to wire this thing or does anyone know how. And two, is that a good engine and a good price.

http://www.geocities.com/teampimports/b16amaint.html
http://tech.hybridgarage.com/
http://www.norcalcrx.org/droppedcrxsi/
http://www.phatwhippincrx.20m.com/custom.html