Is that shelving in the far corner right next to where your video display will be? If not, you may wish to consider running video cables through the walls as well as speaker cables.
Dedicated lines/circuit threads:
Dedicated Power Line
power requirements?
For speakers I'd recommend taking...
Al-M,
How about a bit of info on the room? Dimensions and such?
How much of an HT system do you plan on eventually putting together? This can impact not only the initial components you buy but also the wiring (dedicated power circuits, more inwall wires for Rear Centers, etc.)
If you haven't...