GoToMeeting is rock solid if you only need to broadcast a single screen at a time. (Only one "one-to-many" screen; no collaboration, no multiple cursors.) It's

GoToMeeting is rock solid if you only need to broadcast a single screen at a time. (Only one "one-to-many" screen; no collaboration, no multiple cursors.) It's low-bandwidth, supports dial-in and recording, and has a native app.