I've dome my time in the trenches with B-3's, Rhodes Suitcases, CS-60's (the 'smaller' sibling to the CS-80, hah!), and entire band van just for the keyboard rig, concert level PA's, 3 phase light shows...

A 45 lb arranger is still a dream come true. When I get a bit older, I can drop 25 lbs easily by moving from the flight case to a padded bag!

Anyway, the way the music biz is going (I'm not in a really NH heavy environment, here on the Gulf Coast), by the time I can't lug my G70 around, there won't BE a music business! It will all be karaoke and DJ's and pimply solo guitarists with looper pedals and auto-tune! I will at least be happy to go out on a high note...

Other than the B3, I can honestly say that my G70 equals or trounces all those older behemoths. It will be a sad day if I find myself looking nostalgically back at a merely 45 lbs keyboard that did EVERYTHING!

Anyway... haven't you guys ever heard of guitarists? We don't hire them to play sounds we already have! We hire them to halve the weight of everything we lug!
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An arranger is just a tool. What matters is what you build with it..!