Obviously, it will get faster.  This really is the only improvement needed.  Today's computers are definitely fast enough to handle video, as can be seen by the widespread video editing packages designed for home users.  The only bottleneck is the connection between the computers or video sources.  But even this is improving drastically. Not too long ago, 2400 baud was the way to view the internet.  Now 56k has taken over, and DSL and Cable are about to eclipse this.  Prices seem to be steadily dropping as availability tends to be rising.  In roughly two years, either one of these connections will be cheap enough and accessible enough that they'll start to be the a large chunk of the internet connection game.  Once this happens, video conferencing will follow suit.