HIMO:
Mac.
*hides*..
I know..I know...most of us being pc'ers..don't eat me...
Macs are well built for audio/movies..and most major studios use macs.
I'd browse around on those for awhile and find one..
http://store.apple.com/1-800-MY-APP...p_mac/family/macbook_pro&sf=wHF2F2PHCCCX72KDY
Trust me... macs the way to go for video/audio...but..uh.. thats about it..
*hides*
at least the best audio/movie editing software is mac supported.
*cringes* *ducks under the desk*