EXS 24 Logic Sampler Users Group

> Interesting bit: It's powered by "the award-winning UVI-Engine" 
> (never heard of it myself),

The UVI engine is the sampler technology used by the Plugsound modules:
http://www.plugsound.com
it is also used by other plugins like atmosphere:
http://www.spectrasonics.net/instruments/atmosphere.html
and Stylus:
http://www.spectrasonics.net/instruments/stylus.html

Bernard