Awesome, glad to have you on-board! Have a look at this Getting Involved page designed to get you started on an activity that interests you.
Join the ubuntu testing team and subscribe to the ubuntu-qa mailing list. If your into twitter, you can follow @UbuntuTesting for the latest updates. We also have a google plus account. Feel free to subscribe to this blog and my youtube channel as well.
You can always contact me directly and I can help you get started!