I don't think they make copies. I've heard they keep them in the HQ in Stanford but, that just what i've heard. What kind of tapes dose WWE use anyway? I know Vince owns AWA,NWA,Jim Crockett Promotions, SMW, WCW, ECW. I don't know if he owns anymore or not.
The thing that kills me is that this will probably be the most watched show in TNA history. As a company, when you have a opportunity like this, you want to have new viewers and repeat viewers go away with a good feeling.