Those are pretty good points. The sonic character is overkill for most live reinforcement needs... and, then, in any situation where you might leverage it's good points, you probably wouldn't want a wall wart to deal with.
Mostly, on FOH you see comps like dBX 166/266 XL and stuff from Klark Teknik and BSS. There's a lot of buzz about Presonus stuff, but I haven't seen it in a rack yet (though I did see som e Focusrite stuff used).
FOH stuff tends to be driven by tech riders. So, you see a lot of decent, durable stuff that's been out for a while.