SLATE touch screens
http://www.delora.com/products/rstouch/ + iPad Pro and you have your slate mixing console
No, Reason doesn't support multitouch. You can use some external applications to create a custom midi controller (similar to TouchOSC for iPad). Just like Raven has made with Slate.
The only "big" DAW for Windows with multitouch support is BitWig.
The only "big" DAW for Windows with multitouch support is BitWig.