I have Battlefield: Bad Company and, I'm trying to get the 5 secret unlockable weapons...?

I have the one where you have to get to rank 4 on the demo, I'm trying to get the one where you sign up for the BF newsletter...how do i do that and get the code? Also, what is the Battlefield Veteran's program and how do I participate in that?

And, finally, how do i check my stats for the game?I have Battlefield: Bad Company and, I'm trying to get the 5 secret unlockable weapons...?
veterans program u have to have played one of the other battlefields and to check ur stats u have to sign up on that website and check them through it