Most hosts can do this including Chainer. The only host i know of that does NOT do this is Live.Unlike any other host that I'm aware of, you can route the same controller to multiple destinations in the plugin- for example, in one instance of say Reaktor you can control pulse width of one oscillator, detune of another and filter cutoff from the same controller.
Anyhow, Kore has nothing new to offer IMO. Sure it works seamlessly with NI instruments (in regards to locating sounds quickly without having to preprogram it), but if one does not have NI instruments, best bet is to utilize a modular host like Bidule or Ext (a lot cheaper too).
Also, the controller needs more to it than just 8 knobs.