I have narrowed my choices to two systems. Both from HP and both are $1000CAN. First one is the HP7160N. Specs are P4 D 820, intel 945g chipset, asus p5lp-le motherboard, 1 gig ram, 250g hard drive, integrated graphics, pvr, media center os. Next is the HP1130N. Specs are AMD 3500+, ati xpress...