Out of the box, compared to my MGC, this cube was faster, snappier, and more flexible. With setup it outpaced the MGC by leaps and bounds.
The triple-track creates an addicting turning feel for the inners, especially after cushioning with a bit of fast silicone like Lunar or Martian.
I do get the occasional lockup, but unlike most 5x5 lockups, these are trivial to fix.
I took my average from 1:35 to sub-1:20 in the two weeks after getting this puzzle. And I can't stop solving on it.