I've had mine for a little over a year and the connector is shot. I have had to unscrew the keyboard and try to push it down back in place. I'm currently looking to pick up a Corsair Vengage k70.
I don't think you can. I think you would have had to have an account at some point before February of this year? (I know it was early this year.) Then if a friend gave you a scroll and you paid for a month, you got upgraded to a full Cata account. Otherwise, you would have tons of people buying...
I played the first one and had a decent amount of fun with it. Never played the others even though I got them for 10 bucks on a steam sale a while back.