Plus, if you work alone, have more than one room, and use a DAW, you should wire every place for Cat5 anyway - with a pair of Cat5 KVM extenders and a cheap LCD monitor/keyboard/mouse, you can control your entire system from anywhere within 500 feet of the 'puter -
You run a cat5 patch bay in the CR, lines to it from everywhere you might want to record or listen, then patch to the desired place in the CR, take your porta-monitor setup into the room, plug into the cat5 in the room, and CONTROL...
Just don't buy it from Belkin, it's cheaper elsewhere (try pricewatch) Steve