I finally got around to doing a review of my upgraded Korg DSS-1. Tom Virostek at StrayLightEngineering.com modified this one and I bought it pre-modified from him directly. This keyboard finally has some modern specs. 16mb of RAM and you can load WAV files into it via the card reader on the front. I have dragged tons of multisamples and also drum samples onto mine. Frankly the drum samples sound a little better when sampled into the keyboard, which is why I still use the drums from my Vinyl Drums disk mainly, but the convenience is nice for bringing in other samples.
If you have any questions about this upgrade or you are considering getting one, feel free to contact me.