This post is just in time. I think if anybody is installing copper for home, Cat 6 is the way to go, Cat 5e will not be able to support multimedia in the near term.
I was talking to a installer earlier today for future home. Below is what he proposed for almost 30k

for a 4-bed house:
Entertainment Solutions:
Whole home audio speakers and audio/video cabling
Whole home audio/video distribution
Home theater/media room
Family room, master bedroom, exercise room audio/video
Communications Solutions:
Structured cabling for voice, data and video
Internet routers and in-home computer networking
Satellite television
Doorbell and Intercom
Safety and Security Solutions:
Monitored security systems
Lighting control systems
Security cameras
Home Conveniences:
Central vac
Automated drapery and window coverings
His parts list:
-Elan system 12 although I think Crestron is probably better.
-Com Controller Rack Mount Elan
-Lutron controls for Lighting. Radio frequency lighting control package including an MFE keypad (wall mount) in the garage.
-GE interlogix for security
-Sonamp 1250MKII Multi-Channel Amplifier Rack Mount.
-VIA! Color In-Wall Touchpanel White, Each Elan
-4.0 Inch in-wall VIA! panel
-Color CCTVCamera W/Faceplate Brass Elan for front door
-Color CCTV Camera w/Pivoting Mounting Bracket
-A/V System set-up and interconnects
-Component and composite video cabling
-Symphony S623TR - for all beds, study, den
-Virtuoso 831D Speakers, Each Sonance -for family room
-Sivoia window pre-wire
-TL-441 CC4495 SCS Silver structured cabling