This is my first midi-keyboard ever, so since i have nothing to compare with, ill just describe my first impressions after a day of using this keyboard.
First it has good looking minimalistic design. I like it. Solid build and nice synth action keys. Work as plug and play, no drivers required. I just plug it to my laptop, opened my daw and started to work immediately.
About keys quality, its nice, but obv they are not for piano players, so if you're after expressive performance forget it. But for me keys do their job.
Features: again me i just need to put midi info in my daw and transport controls, plus mod wheel. GX61 has it all.
And of course last but not least...Price. For that quality and features its a really nice price. I dont think you get something better for that price, So thats why i chose Nektar GX61.
Pros: Price, keys quality also good like 4 out of 5, solid build and all features that i need.
Cons: Not detected yet.