I just bought the Aeroquip EZ clip fittings and hoses, great to work with
cheapest that I found for fittings and hose:
http://hosewarehouse.com/A-C-Hose
Aeroquip EZ clip crimper: $19.65 shipped!
http://www.ebay.com/itm/321060961914...84.m1439.l2649 (he also carries some of the fittings cheaper also)