Best 4-port KVM?

[Vertigo Acid]

I'm in the market for a KVM switch, and know little about what to look for or what are good brands. It needs to be 4 ports, usb, DVI is not necessary, and i'm a fan of hitting a real button, none of this numlock-f2-"stand on your head" business. Suggestions?

 

[djnes]

Belkin makes a few models that should do what you want. They look a little odd, but the offer direct button access to each machine.