We recommend running either a 12/2 or 14/2 speaker wire to each of your 5 or 7 speakers. The lower the number, the thicker the wire. Thicker wires will enable more power to reach the speakers.
Your subwoofer will require a RG6 wire it's line-level audio signal. We recommend using Quad Shield RG6 to eliminate interference.
There are 2 options for distributing HDTV. You can either send the signal over MiniRGB wire (Component Video), or use Cat5e wire with converters (baluns) on either end. If the runs are less then 50 feet, MiniRGB will be the most cost effective. If the runs are over 50 feet Cat5e is the best option. We recommend 2 Cat5e to each TV.