Easy, just scan back 2-3 pages and you will find multiple threads with the same question basically... here's about 30+ answers for you from the last month or so:
No favorites, just preferences. I like mechanical boards and my G700 mouse.
I'm typing on a squishy dome board right now until my WASD mech board arrives.
It all depends on your budget and what you perceive as quality.
I still think the keyboard, mouse and monitor are the most important parts of any PC.
They are what you use to interact with your PC. If your interaction is average, your overall experience will be average.
Just got my leopold tenkeyless mechanical keyboard with cherry mx blues. I love it so far! It is such a pleasure to type on. I also have a logitech G500 to pair it with.