visit www.gamesworkshop.com on the top, there will be a box that says Warhammer 40,000 on the left-hand side, there will be a box labeled warhammer 40,000 armies. Look at the armies, and choose one, then report back when you have made a decision. (this has nothing to do with actually buying them)
OK, there are many chapters for the space marines: Ultramarines Dark Angels Space Wolves Blood Raven Raven Guard Blood Angels White Scars Imperial Fists Iron Hands
I'll prepare links to pics of each one in a little while.
I was taking a trip, and I haven't been on lately. Yes, you can be the tau. If you expect me to be able to give historically correct backgrounds, then sorry. I don't know much about the tau.
