I'm an avid user of WinSCP. 8) I think it's the best out there.
Anyways, I just wanted to remark that the connection dialog in 3.8 beta is a lot less polished than in 3.7.6. It probably is just there for troubleshooting, but I just wanted to make sure. It gives the impression of being slower than 3.7.6, although it probably is the same speed.