I highly agree the drums were one of the biggest let downs on the Technics...

The sound system was superb and I have no doubt the Roland would be the same if not better, but i still believe no matter how good keyboard speakers are, you ALWAYS get a better result when using external speakers... its not a matter of making it go louder, it just makes it sound richer if you get me?

Onboard speakers are never as punchy from my experience.