I've used a combination of Earl's, Russell, Aeroquip and Summit fittings and any sort of combination of hoses - and I have the scars to prove it !!!
All were a pita, especially the -4 I'm using for the trans cooler.
This is a Speedway site, but I saw it demoed a while back slicken' -- (well you know what I mean):
http://www.speedwaymotors.com/xq/asp...qx/Product.htm
I think C9 has more AN hose than I do, but I'm working on catching up.
(Someday the body and chassis will reunite - for the LAST time)