Question regarding DVI to HDMI/DVI switch?

[PrometheuSBoxeR]

I have 2 monitors hooked up to my current GTX260. Both through DVI. I have a 42" Vizio with HDMI and I have a HDMI to DVI cable. Is there a switch/split, or another "convenient" way I can have my TV plugged into the DVI of my Video card at all times - possibly with a simple switch/keyboard hotkey, to swap my second monitor off and turn it to the TV on?

I hope that makes sense. Thanks in advance.