Pro,
why not putting the PLG150-AP into the MOTIF??
I have the same combo at home since yesterday (got a cheap ES8 on eBay :-) ). Unfortunately I have to sell my 9000pro to get the budget back for the MOTIF :-(. Anyway the MOTIF is a great beast, a lot to learn and I was anyway not using the arranger features a lot.
/Ulrich