The way it seems is the PSR-S900 is already selling like hot-cakes. For some of us that own PSR-3000s, which I believe was the best selling keyboard on the market, upgrading to an S-900 may not be enough of an upgrade to take the plunge. However, this may depend upon what you intend to use the keyboard for.
The PA-800 has lots of great features, and undisputedly has an outstanding vocal processor. For me, the operating system leaves a lot to be desired, and I was not overwhelmed with the styles. The drums are hot--no doubt about it! But, you can tune any keyboard's drums to make them hot--if you know how to use the onboard tools and registrations.
From MY perspective, there is no keyboard that can be considered the perfect keyboard. They all have lots of neat features, and most have great sounds. I sincerely believe it's a shame that the vast majority of folks that purchase keyboards never take the time to explore all of their keyboard's features. Fortunately, there are forums such as the Synthzone and a few others that have a contingency of members that are willing to share their technical knowledge with the overall membership.
Reviews such as this one are, of course, very subjective. They usually provide a broad overview based upon the experiences of individuals that have taken the time to field test a specific keyboard, then report their findings. Most of the time they are quite concise, informative, and provide the reader with a wealth of information that can be very benificial, particularly if that person is in the market for a new keyboard. What I would personally like to see is more first-hand information posted in the same format that George Kay frequently posts, which I believe is unbiased, very informative and extremely beneficial to everyone.
In the past, when a person purchased a keyboard, regardless of the brand, and encountered a problem, he or she would post a question to the masses of this form in hopes of solving the problem. This, unfortunately, is no longer the case. Hopefully, the confrontational posts that seem to have dominated the forum during the past year will soon cease to exist. At least I hope this is the case.
Cheers,
Gary
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Travlin' Easy