I use GoToMeeting. It's 50 bucks a month, so I'm not sure what your "cheap" parameter is. I also don't know if it's cross-platform. That being said, it's a gr

I use GoToMeeting. It's 50 bucks a month, so I'm not sure what your "cheap" parameter is. I also don't know if it's cross-platform. That being said, it's a great piece of software; I've been very pleased with it.