All the control panels I see use temperature probes. I don't know about you but I don't like the idea of wedging one of those probes between my CPU and heat sink. Many (myself included) spend time lapping CPUs and heat sinks to get that perfect contact so why would you want to make it worse than from the factory by sticking something between them no? Opinions?
This software will communicate with a Logitec LCD Keyboard to display your GPU temps and some other data on the keyboard's LCD: http://www.evga.com/precision/
What I would REALLY like to find is an application like this, but that would send the data to an LCD Control Panel that I could put in one of my drive bays.