Since you never received a suggestion here, I'll throw out my two cents and sugggest Dean's. I've never heard anything bad about the true Dean's connectors. Watch out though, there are a lot of knock offs.
While on the subject of plugs and vintage connectors, did Race Prep ever make another plug that was black? I get a few pairs of plugs from eBay in a lot that are similar to Traxxas' current plugs, but I was told that they are Race Prep. I'll try to stick up a photo at some point.

Matt
Just a part of my RC collection:
Matt1ptkn's Toys
"I wish there was a way to tell you're in the good old days, before you've actually left them."