The signature versions (2001) carry even tighter tolerances. The 2001 non-signature versions can be upgraded to signature status although it can get expensive to do this.
The 2200 is only available as a signature unit. There is no non-signature version of this table. It was introduced after the signature upgrades were done. if you are looking at that 2200, you should get it instead of the 2001. It will have the advantage of a bit more platter mass and the suspension is probably better in that it's the signature suspension and that table comes with one very good arm. The Vector IV, when mastered, is incredibly good and well behaved.
Dre
The 2200 is only available as a signature unit. There is no non-signature version of this table. It was introduced after the signature upgrades were done. if you are looking at that 2200, you should get it instead of the 2001. It will have the advantage of a bit more platter mass and the suspension is probably better in that it's the signature suspension and that table comes with one very good arm. The Vector IV, when mastered, is incredibly good and well behaved.
Dre