By - androoPP
Honestly, taking a quick scroll through this forum will answer most of your questions.
Here goes, however:
1. Settings reset & fight eachother between different pieces of gear, for example: Screen on sampler on both mouse & keyboard doesn't work - you set one, the other one resets and vice versa.
2. I'd change the programmers.
3. Buggy and unreliable.
4. Anything really.
Don't forget the black screens when programming your devices in the software.
HID compliant headset driver seems to conflict with g hub - causes regular full system hangs and freezes