Scottyee,
first of all I want you know that I hate my E-500OR but the only thing that would make me choose it on any other keyboard is the "OR" sounds and drums.they are totaly amazing and they are so real that no can even tell it's a keyboard and it's more than perfect on any other company tryed to make oriental sounds(GEM,KORG,...).if those sounds(38 new sounds and 3 arabic drums )were not in the E-500OR I wouldn't buy the keyboard!. I am talking about sounds in here...I tried the WK8 and was next to it a WK4 and a E-500 (not the oriental one).the WK8 has a great functions and it's really perfect keyboard but keyboard is a sound machean and you go to the sounds and all the sounds for me sound like the old "E" serios of Roland(like E-16..that's the first thing I rembered when I played it) and worse even.I can't tell you about the piano because I didn't try it on the WK8....and one more thing,how the keyboard is arranged is kinda hard to understand and the guy told me that they have to give me a lesson on that keybaord befor I use it(if I am buying it). because he told me that he him self took 7 or 8 monthes to understand it and be used on it and can be fast on using it for preformance .the only thing I liked is the battary thing which you charge it and if any thing happenes the keyboard saves every thing you do and even in preforming it would not close the keyboard and he said it's best for the keyboard to be opened 3 days more than to be closed(because it's charging)that's the only thing that I wish korg or Roland would really do.talking about styles..it have a great style converter but I only liked one style from ther 1xx styles.for drums they all sound the same except the techno or the dance one...it sounded not bad, other than that you have 64 drums and they sound the same for me (it reminded me with the psr240 drums).about effects..the keyboard have good effects on every thing.the guy told me that the keyboard is not working in here florida(no one buy it)and he is taking 40% of the price from it or something like that to make it work and he even called me to check befor I play it.and I asked him for the price and I was shoked and probably that's why it's not working even the amount he took wouldn't do any thing it's still can be higher and I asked for the VA-7 and it's higher than the VA-7 so I would prefair to go for a VA-7 which I will do after 17 days more than going to a keyboard that have only functions and no sounds!. about the KORG TRITON I only use it for midi songs and I some times use my E-500OR because it' s good too but when I tried a midi file on the wk8 it didn't sound good at all or even close to what i did to the song on a E-500OR.

that's all what I can say about this keyboard if any one have any comments I would be happy to read all what I said is only my opinion on this keyboard. and GEM manly.