It occurred to me that some of these controllers wouldn't mention that there mapped for Cakewalk/Sonar in there advertising. The Korg NanoKontrol2 doesn't mention it in the advertising I've seen. The Korg is one of the controllers I was looking at. It's helpful to know that it's mapped to Sonar, thanks.
Actually, before I knew that the Korg was mapped to Sonar I was strongly leaning towards the PreSonus FaderPort. Now I have to figure out if it's worth it to me to just map the controller myself with the PreSonus or go with the Korg. ?