Monitor switch?

[Red and White]

where can i get a good one of these?

needs to be able to have at least 3 monitors in it and to be able to use the same mouse and keyboard on all machines

 

[Red and White]

A four port kvm switch :

Control up to four tower cases with one monitor, one keyboard, one mouse.

yes thats what i want.\0/

where can i get one?

 

[Red and White]

thanks