Anderton
IR responses are samples for loading into convolution reverbs, you're not limited to using them with the ProChannel REmatrix.
Sure, but where do they get installed? Where does anything get installed? To be fair this has been a small problem with Sonar for years, ie. data and plugins spread across a bunch of places, but at least before you only had to learn it all once per version. Now we're going to get this every month.
The Rapture Expansion Pack should be in Rapture's browser along with the other Rapture presets.
I'm also yet to discover whether Sonar will manage to install this pack properly given that I migrated Rapture from a previous installation instead of using the CCC. My guess is that it probably won't! I may have to just install it, and Dimension Pro, via CCC, but then I'll have to check to see whether it installed the old Rapture and Dim. Pro expansion packs or whether I have to patch them in manually.