Should check this site out http://www.learnhowtoreason.com/foru...157-e-drumming
. 3 tutorials on how to set e drums to work with reason. A set that expensive and complex I'd expect to work even better that the one used in the videos.
Worst case scenario you could just record you performance as audio, since the on board kits sound great. Down side to recording as audio though is the lack of ability to isolate the individual drum sounds in a mix.