Hi, I'm in search of a keyboard with outstanding sound quality and a good 'feel' on the keys of the keyboard. It also needs to have a volume control. I'm more in to pop than classical songs. I was considering the CASIO PX-320 KORG LP350 YAMAHA CLP330 YAMAHA DGX630. My budget is S$1k-2k. I was wondering if anyone could give me some suggestions on which of the above piano / keyboard should i get in concern with my needs. Thanks a lot !

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