The S98 is the crowd-pleaser of this trio. It is a 96% layout, so you keep a number pad while saving desk space, and out of the box it sounds genuinely good thanks to multi-layer foam, pre-lubed switches, and lubed stabilizers. Reviewers keep reaching for words like creamy and thocky, which is rare at this price.
You also get toys: a metal control knob and a little color screen for mode, battery, and even GIFs. The build is rock solid with no flex, and the double-shot PBT keycaps will not go shiny like cheaper ABS.
The recurring gripes are fair. Battery life with the backlight on is weak, so most people keep it plugged in or charge every day or two, and the software is Windows-only and a bit clunky. For sound-per-dollar with a full feature set, this is the one most people should buy.