I'm all for more SN-A from Roland extra expansion slots. For fun, I often dream what they (Yamaha, Roland, Korg & Ketron) would come up with if they would get together and design the ultimate keyboard!
More realistically (but only slightly so), it would be great if they would adopt the selling practice of car dealers: you get to choose things like, number and type of keys, plastic or metal chassis, number and kinds of sounds, speakers or not, etc. In other words, you choose exactly how to personalize your keyboard, and they make it.
As it is now, if you want different sounds or synthesis, you have to buy various keyboards/modules. Just wishing out loud!
I also wish Roland would create a new Integra-7, without its limitations (only 4 SRX expansions at a time), plus many more new SN-A sounds, improved reverb, and tweaked sounds.
If you'll excuse me, I'm going to take a nap and dream!
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Mike