Considering the other libraries you have, I think "sounds better" would be a subjective response varying from individual to individual.
For those of us who already have a lot of top-notch percussion libraries, it would certainly be nice to get crossgrade pricing to True Strike 2. True Strike 1 users are lucky to get it for free.
Personally, I plan to wait for the next sale. However, if I hadn't just redone my template, I might be in a rush to get it for the workflow improvements. YMMV.
Best,
Geoff