Most of the pro-gamers don't use any of the above unless otherwise told by their sponsors ...
I use a ducky shine 3 TKL and a G9x, but there are so many much better mech and non mech keyb out there, I am surprised only the mainstream stuff was included in this review ...
One thing I would say, the KATZ mouse is one of the most ergonomic things I have ever laid my hand on and I like it. quite the opposite with the high price low value products from Razr - i have had most of their mice and they all suck: either the click is bad, or scroll, or wear rapidly and don't even get me started on ergonomics and accuracy.
Test a keyboard and mouse before you buy if you can, ...that is the best way of finding out what suits you.