Gmail Labs rolled out a new feature, Google've now made this feature available in orkut "video chat" that let you video chat in high-resolution!
To enable it, click "Options" at the bottom of your orkut chat list, then "Chat Settings". In the settings window, check "Enable high-resolution video" option, and you’re done! Note, this feature must be enables on both sides.
Oh, video chat now supports Linux too.
If you've never used video chat in orkut before, it's really easy to get started. If you owing a webcam and a microphone, just download a small plugin.