Beakybird,
I too have owned and gigged with the Korg Microarranger. It is a real killer of an arranger. If you prefer a full arranger I would look at the Microarranger.
Deane
Dean I agree it does pack a punch for a little guy very useful kb.
here's a old pic I found and a demo I recorded right out of the box with the KORG Micro arranger KB to show some of its style & sound power..
https://app.box.com/s/5pohm1babw6ptoffau0ybhzn4f0ntecl