Re Homeplugs, I live in a house built in the twenties and it was last rewired 22 years ago, yesterday I fitted these :-
http://www.broadbandbuyer.co.uk/Shop...ProductID=6388 they took 2 days to arrive and 5 minutes to set up, so far they appear to work great for streaming HD video from my pc to the Ps3, plus you can add more if you need it, definately worth a look.
Dave