I have the Johnson, and it's great. I suggest you buy them wired if you aren't very good at that sort of thing. It's not too hard...but honestly next time I'd just pay them to do it

Warning though....don't put a Johnson on your rack if it's in a bedroom. Whenever they turn on/off there is an audible clicking sound that gets quite annoying if you are trying to sleep...Ranco's may do it too, but I can't say for sure.