The best one is the Ultra Pak. Very useful. It would be nice to have 2 cards though, (for the second one you would just have to buy the project pak or course) so you don't have to worry about DSP load. If you mix at 96k it would almost be a necessity.
The best one is the one that works best for whatever you're usin
The best one is the one that works best for whatever you're using it for at that moment.
That being said, you'd likley find that something from the UAD collection would be just what the doctor ordered.