EXS 24 Logic Sampler Users Group

Just received the Xtreme Analog Sample CD from my distributor here in 
Holland.

I've two questions for other owners:

1. What's the function off the *.pst files on the cd-rom. They're in 
the directory 'advaced users' 'to plug-in settings'

2. Some instruments taking a lot off cpu. I'm hearing glitches in the 
sound whan playing these. 

Maarten