The electrical pianos are great. The star, though, was the brass. It is incredible how realistic the brass sounds. With the Ribbon controller, you can get as close as you want to a slide, slightly detuned trombone. The co-mvp is the Drums.
Nothing comes close.
The Alesis QSR has some real good drums, but this thing puts that to shame. This keyboard would definitely be great for techno as well. I know very little about rock music, but there seems to quite a few sounds dedicated to that genre of music. It appears that at least 5 can be inserted at one time, with a tremendous degree of control over each one. The keys respond well.