Reply to Mixer Comparison: Denon DN-X1500S and DJM-700/800/850

I own a Denon DN-X1500S. I know it's an old mixer, but it kicks out 24bit sound with editable EQ frequencies and curves (Q). Essentially, I can set it up (EQ-wise) similar to any DJM or even a Xone mixer.

My question is: Are there any good reasons to save up for, say, a DJM-700, 800, or 850? Like I said, I believe the sound is top notch and the editable EQs are a great touch on my mixer.

Just looking for some opinions. Thanks!

By the way, I play mainly progressive house/trance. Effects aren't really a concern, but are a nice addition. I'm believeing more about adaptability to the "club standard"