Hi!
I have the woodwind pack (sax, flute, clarinet, doublereed)

I noticed that the samples sound slightly better at 88.2 or 96kHz setting, vs the standard 44.1k or 48kHz setting.
Anything higher 176.4kHz or 192kHz doesn't seem to improve the sound by anything I can notice.

What are the original input sample rates?
I have everything set at 96kHz for now.

Higher sample rates might in fact reduce Aliasing-Effects with physical modeling at the cost of higher CPU load.
As the SWAM engine mainly uses physical modeling and samples only to a lesser extent (if at all) the "original input sample rate" of those samples (if this is what you mean by that) supposedly is not very relevant.
-Michael

@mschnell indeed Woodwinds, as you may know, are not purely Physical Models, they make use of short samples. The original sample rate for those sample is 88.2 kHz.

Anyway, as @mschnell said, there are also physical modeled parts that benefit from higher sample rates, but above 96 kHz we have limited the resolution, otherwise the CPU load would increase exponentially.