Embertone make some very nice Kontakt libraries.
I just received the scattergram on the presale promotion for their
new violin.
This one works with the free Kontakt 5 player. Good for those who don't own Kontakt but for those of us that do of course it means its a bit more expensive. It's $110 while the 20% off presale promotion lasts.
I have not listened to the demo tracks yet but it looks interesting.