CNet talked with Gmail Product Manager Todd Jackson about the upcoming Gmail features, here’re some interesting tidbits:

1. More Gmail Themes are coming, including ones designed by you.
2. Gmail got video chat last year. Jackson says the plug-in route will be able to provide even higher-quality video as people's connections improve, going to Video Graphics Array (640x480 pixels) all the way up to high definition.
3. The duplicates in your contact list will soon be gone with a built-in de-duper.
4. Attachment sizes could go up