They both work the same way and as far as I'm concerned only offer ergonomic differences.

I've used both and I'm still not entirely satisfied with the results. If I were you I'd get a VRIP TECH VHW... especially if you already have a glass tube. You don't have to deal with that plastic shit and I think it works better and gives better hits..... and isn't better hits what it's all about.

Good luck. The Vapor Bros and SSVs will do the trick for sure though!

EDIT: Oops, didn't read entire thread. I see you went with the SSV type. Enjoy.