I keep around 5 - 6 keyboards in my cubicle at work. I keep them in a file cabinet drawer and swapping out is easy - just unplug, put keyboard in drawer, take another keyboard out, plug in and off I go. I usually change keyboards a couple times a day. Although there are some days where I use the same keyboard all day, those are pretty rare. Currently at work I'm keeping two Topres (45g uniform silenced and 55g 87Us), three Leopolds (FC660M, FC660C, FC900R), and one Matias (FK302 Quiet Pro PC). I work in a very quiet office, so I find myself using the Matias Quiet Pro and the silenced Topre 87U the most, as they are by far the quietest. This seems sort of ridiculous that I do this. But I do enjoy variety in my switches and keyboards, so this is my setup for now.