Jerry,
In one of your other posts, you mentioned that you own (or owned) the Orla PK400. I understad this is a "combo keyboard" with an accordion 120 bass section for the left hand, and 44 traditional piano keys for the right. It also appears to have several drawbars and most of the arranger features Orla puts into its XM800 and XM900 modules.
Do you still have this board? Did you like it, and was it easy to play? When you press the accordion chord buttons, does the keyboard automatically sound the root bass (as with Yamaha and Pa1X), or do you have to press buttons for both the chord and the bass?
If you don't want to go into a lot of detail here, you are welcome to email me at:
cando614@aol.com
Thanks,
Ted S.