Discussion about the Korg PolySix synthesizer

Hi!
I played once with a mono/poly and loved it. So far I only own 
monophonic synths.
I found someone who sells it quite high (i'm in israel I can't buy it 
through ebay because of the high taxes).
Then I found someone who sells a polysix for a very reasonable price.
How different are the two? What are the differences? How do you 
program the different oscillators on the polysix with so little 
knobs? (I know that on the monopoly there are seperate knobs for each 
osc).
Please help me! (before someone else buys them)
Thanks
Adi