Related question: what do people use for active remote collaboration, where you want to interact with someone else's screen? I was on a team with people located in several places around the US, and my boss wanted us to try pair programming. We tried VNC for a day or two, and after having huge issues with it, we just scrapped pair programming altogether. Are there better solutions out there?
I use intelliadmin (intelliadmin.com) over our wan..very simple and easy to learn and use. There is an 'internet' version also, but it requires installation of software. The lan/wan version doesnt require pre-installation of software on the remote machine.