If you need to control a number of different computers but would rather only use one keyboard and mouse. The new ShareMouse software which has recently be launched might be worth more investigation.
Rather than using hardware and cables to connect all the computers together to your single keyboard and mouse. ShareMouse is software which is installed on to each computers stem you would like to control and can be used with upto 26 computers simultaneously. Watch the video after the jump to see ShareMouse in action.
ShareMouse runs silently in the background of your operating system and supports both Windows and Mac computers. To use it simply move your mouse cursor to the border of your computer monitor. ShareMouse will then automatically move your local mouse cursor to the computer located next to it, and ShareMouse will work from any computer to any computer in any direction.
A free trial is available from the ShareMouse website to let you put the new software through its paces.