STOP, put your credit card down. You are wasting your money. Please, do not register another domain name for the next 3 months. Use that three months to read everything you can just like dijnr said.
As far as TMs you can look them up here:
http://tess2.uspto.gov/bin/gate.exe?f=searchss&state=ei6j3h.1.1
Good luck, and put your credit card in a block of ice. You will thank me later.