I think they will experience teething problems, but they are not alone JB - all the forums will have problems because there are a hell of a lot of people heading their way!!!
And from the episode with the "your message is being processed" recently, at least we can see that Aimoo make an effort to reply to messages, with proper answers, not gobbldygook like msn churned out, and they seem to try to get things sorted out faster than msn did..................