Switch between 2 VGA signals on a single display; features automatic, prioritized switching. The ST122VGAU VGA Auto Switcher lets you share a display between two computers and prioritize your VGA signals. The VGA switch features a primary and secondary VGA input port, and automatically outputs the signal from the primary input. When the signal feed connected to the primary input port is cut, the switcher automatically defaults to the video signal on the secondary VGA input port. Designed for maximum control and versatility, the VGA Auto switcher also offers manual control of connected signals with easy-to-use front panel buttons that allow you to toggle between video sources.
Price: £33.58 from Currys PC World Business
StarTech.com 2-Port VGA Auto Switch Box w/ Priority Switching and EDID Copy - monitor switch - 2 ports
The SV231DD2DUA 2-port Dual DVI USB KVM Switch allows two PCs, each with dual DVI video outputs, to share two monitors, one microphone and set of speakers, one keyboard and one mouse as well as two other USB peripherals.
This 4-Port USB DisplayPort KVM Switch combines the next generation of digital display interface standards with seamless KVM control of connected PC or Mac computers.
The SV231DDVDUA 2-port Dual Monitor KVM Switch (DVI+VGA) offers a complete multimedia switching solution, letting users control two Dual Display computers using a single USB mouse and keyboard peripheral set.
The SV231DPDDUA 2-Port USB Dual DisplayPort KVM Switch combines the next generation of digital display interface standards with seamless USB KVM control of connected PC or Mac computers.
StarTech.com 2 Port DisplayPort KVM Switch with Audio, Remote Control Switch - USB Powered KVM - Dual Port DP USB KVM Switch (SV211DPUA) - KVM / audio switch - 2 ports
The SV831DUSBUK 8-port rack mount USB KVM switch kit offers a well-appointed KVM switch that includes all of the cables and accessories required to connect to 8 servers or PCs right out of the box, making setup convenient and simple.
StarTech.com 2x2 HDMI Matrix Switch - 4K with Fast Switching & Auto-sensing - video/audio switch - 2 ports