Sima makes a good one that has automatic switching for video sources and remote control. It has 4 inputs and two sets of outputs. It even has a couple of digital ins and outs.
http://www.simacorp.com/products/item.ep.html?session=8a8b0f8e2e7f385045b9d7052b4d19ed&id=339
http://www.simacorp.com/products/item.ep.html?session=8a8b0f8e2e7f385045b9d7052b4d19ed&id=339