P28 Ecu

I know you can tell from my screen name that I have a 91 civic, but I have a D16Y8 and I would like to run it correctly. That is why I'm looking for a P28 ECU. I already have a conversion harness. Can any of you help me out. Give me a price or a place I can buy one.
Thanks

www.car-part.com its a searchable database of wrecking yards across the u.s and canada with up to date parts listings and prices. i found a p28 for my boy about a month ago for 40 bucks and there were about 20 other places listed that had them too. should be east to find