RC - were they really horrid, or just not actively friendly. I'd love to know what they actually did. Sometimes a group comes across as unfriendly just because no one person took it on themselves to be welcoming. Or perhaps they are shy? Sounds stupid I know, but a lot of folkie types are actually quite shy on a personal level. Maybe if you gave it another shot they might appear completely different. Worth a try?
Bert - I know what you mean about those who leave just after their go - but what I hate even more are those that can't be bothered to turn up until the very end of the evening & then expect to finish the evening with an extra-long set of interminable songs for which we are all expected to be duly grateful. Once or twice is forgivable - but every week started to look like arrogance....
Wow - I feel better for getting that off my chest. Must be my day for being a bitch!

Cheers
Kris