In the end, I would suggest you to follow some resources that I usually follow to learn new things and get in touch with other smart and funny Git users over the Internet.
This community is full of people who are happy to share their knowledge with you; most of the coolest things I know about Git have been discovered here, at:
Thomas is a skilled Git user, and a very kind person. On his blog, you will find many interesting resources, including videos where he talks about Git at local German programming events.
More than this, Thomas runs GitMinutes podcast series, where he talks about Git with other ...