Thanks very much for the replies about the weight factor. (Of the keyboards I mean...sheesh can some of you guy's get off on a tangent or what?)
I guess it's not such a factor after all. Yes, It's the sounds, reliabilty, features, ease of use, versatility of the keyboard I'm mostly looking at. I've posted a pointed Q or 2 about using an arranger as a performance keyboard (both solo and with a band).
Sending a separate click out to the drummer is one importand question.
Using the keyboard as a master controller in the studio with my computer software (Cake, Soundforge, Mixtreme and Gigasampler, various modules)is another important question.
Can the PA80 perform as well as say a Motif or an XP-80 in these pointed ways???