The arrangers you mention are top of the line items. That is great that you might be able to afford such a fantastic machine. If you have never played an arranger for any length of time, my suggestion is to go to a music store where you can sit down and try some things out first. As good as Donny's (DNJ) advice is, it is time consuming and it sounds like you are ready to buy soon. Starkeeper's advice to go with a lesser keyboard is a good idea if you are not sure what you are going to do once you get the board. This way you will have most of the features of the better model, but may have the opportunity to trade up or to another manufacturer once you understand what it is YOU like and dislike about your first choice.

These people are correct when they say this board is best and worst - for them. All of the arrangers you mention are awesome feats of technology. What matters is what type of player you are and what you expect to do with the board you buy. Also, each manufacturer has its own 'sound.' Rolands do sound different than Yamahas or Korgs or CCasios, so your favorite board might be based on that. Recognized chord structures can be different too, and believe me that can make a big difference for some people.

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Cass Pawlowski
PSR2000, VR-760