Marko...I can give some input to your question because apart from owning an EM2000 myself I am fortunate to have local friends with PSR9000, KN6000, PR902 & VA7 which I play each week. With your EM as you state the zip is like having a small hard drive and is immediate at retrieving up to 1000 plus styles it can hold. Firstly the PSR9000 is easy to use,has some nice XG Voices but you will be disappointed with the styles against the Roland ones you are familiar with. You can download converted styles Roland to Yamaha to help overcome this. The Style Flash ROM can hold a limited number of styles with the possibility of loading styles Direct from HDD floppy.The PSR 9000 new OS version 3 has just been released which adds a third keyboard split to the right hand which is a facility Roland have had for a number of years. The Yamaha sequencer is Floppy Disk based and will only read from disk, so does not have a sequencer as such to load Midi file into like most top end arrangers. I suggest you think about keeping your EM2000 (which you like) and if you wish to go in the Yamaha direction adding the new Yamaha PSR2000 to it which very good value and even has a few things not on the 9000.
This way you will not lose what you already like. or If you wish to part with the EM and like what Roland produce you would be better going for a VA7 or VA76. No answers here just inputs for you to think about because we all hear things differently and also have different preferences.
The PSR9000 does have a large Performance reigistration bank to which you can save your settings and then save to disk.

Best wishes Graham UK

[This message has been edited by Graham UK (edited 10-24-2001).]