In this video, you can listen to a few bars of each string library found in the Orchestral Tools Berlin Strings Bundle in isolation. I kept mixing to a minimum (basically just some low cuts, removing annoying resonances and a limiter.)
00:00 Intro
00:09 Berlin Con Sordino Strings
01:09 Berlin Symphonic Strings
02:13 Berlin Strings Special Bows
03:02 Berlin Strings First Chairs
03:31 Berlin Strings SFX