A resounding 'yes' on this one, Fran......
I've got a LeCover for every keyboard I have ever owned since the ESQ days (plus all my drum machines and auxiliary gear back when I used them!) and they have helped me keep them in showroom condition despite heavy club use, and made them worth top dollar when I came to sell them.
I had a drunk put a full beer on the top module of an A-frame stand that held (in order) an Oberheim Xpander, a DX7, an Ensoniq ESQ1 and a Mirage, plus two drum machines and a sequencer. Of course, it fell over..... cascaded down the entire rig and landed on the floor. I was not there at the time. Fortunately, I had LeCover covers over everything, and there was no damage at all (except to my footpedals). $100 worth of covers just saved $10k worth of keyboards.
You do the math.......
........ GET A GOOD COVER FOR YOUR GEAR!
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An arranger is just a tool. What matters is what you build with it..!