I used to track this way depending on the daw it can be a fast task. export the midi file from reason open your daw import midi tracks and depending on your daw setting up i/o may or may not be quick. i did it with sonar fairly quickly
yea reason 6 is looking tight, gonna be a good look, hopefully that ssl esqe mixer is gonna sound as good as it looks, its gonna be tight to be able to make songs in one reason file