sorry to bump the thread.
But in the next couple of years everthing is going to get a lot easier when it comes to wiring up your home.
Check this out! It's called HDbase T or 5play HDBaseT
Here's what PC pro have to say about it HDBaseT: another HDMI killer emerges | News | PC Pro
This tech, which looks in principle great, won't actually make any difference to wiring your home as it run's over standard Cat5e/6 which is straight forward to run and has been constantly promoted here when considering AV distribution as it is so versatile.
The problem with the tech will be standardization as there are similar ideas out there, VHS v Beta springs to mind!
Cat5e/6 cabling should cover distribution needs for the forseeable future in my opinion, but it would be nice to have a fibre backbone infrastructure (Money no object of course!)