Still involves wires, at least for power.
You can always buy a mini computer with built in HD video card and wifi and hook that up to the TV and run you cable etc through a main PC else where in the house that has a blu-ray and hooked up to your cable or other digital provider.
People just need to learn to higher the proper IT person or company to do an in-home installation for their Entertainment needs.
If in London Ontario area check out Forest Tech. I know they seem to know their stuff. The best bet is usually to check out a good local company that knows what they are doing.