As part of my day to day duties I help manage a network. There are a mix of machines and I end up using both Remote Desktop and VNC. In one of my google searches I came across The Remote Desktop Utility. This program allows you to save your remote desktop and vnc connection info and maintain a list so that you can just click on the machine that you want to connect to. For me this is a great help. The only thing I would add is grouping so that you could separate multiple sites but overall a great little utility.