Perhaps, if Wersi were better represented in the US, it might be easier to get a grip on how useful one of these might be. Abacus, your keyboard lists in the US for $17,000, there is virtually no online information in English, few demos, and a web presence that is scary given how expensive they are.
Perhaps if they would just take the time to present themselves more professionally, I could take them more seriously. Wersi can't even be bothered to translate their own website fully to English. They may very well be the Bugattis of arrangers, but if I can't see one, touch one, play one, read about one, hear one or try one, what's the point?
Once again, I state my case..... An arranger's primary use is to be played LIVE....
OF COURSE a 2GB piano sounds better than a ROMpler one, BUT.... for live use, some of the ROMplers are more than adequate, my G70s piano is quite a joy to play. Is it as good as Ivory? Of course not. But in a mix, at a live show, it isn't $15k worse.... That's what I'm talking about when I say diminishing returns.
Yes, I already use VSTi's for studio work, but it's an expensive pill to swallow to be able to take it to the gig, especially as we all know that within a few years, ALL keyboards will be like OAS and Mediastation, and early adopters ALWAYS pay a hefty price premium. Remember when plasma TVs first came out. How would you like to have bought one of those at $10k, to see a better one at $1.5k a couple of years later?
Let's be honest, here. If all you want is a GIGA sized piano and B4, you can run B4 and Ivory on a laptop reliably for about $2500 and address it from your arranger. Use the remaining $10k plus for a car...... or the ashtray from a Bugatti!
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An arranger is just a tool. What matters is what you build with it..!