Belden 7915A. Excellent shielding, solid copper center, tested to 3 gig, and no special connectors required like quad.
Baluns are not made well in my opinion. They just seem cheaply made for something you are hanging out in the weather. I use mastic on them to protect them from the weather.
(LCD - Sony KDL -52 XBR4) (Receiver - Yamaha RX-A1040)(Blu Ray - Oppo BDP-83) (PS3)( Comcast X1) Speakers (L & R - Paradigm Studio 20) (Center -Paradigm CC-470) (Surrounds & Back Surrounds - Paradigm SA-15R in walls) (Subwoofer 1 - Sunfire HRS-12) (Subwoofer 2 - Paradigm PW-2100)