Another good training aspect is the head to head areas that are free even after the 14 day trial. Depending on who's hosting the H2H session, you can get anything from vulch fest (usually against you) to a decent 4 v 4 match with base capture, etc.
As SNAFU said, welcome aboard. When your online, a polite question on two is usually answered. If you are totally lost, check out the Training Arena.