Central processing unit - 484 (21.1%) Chipset - 217 (9.5%) Cooling sub-system - 539 (23.5%) Display - 240 (10.5%) Graphics sub-system - 193 (8.4%) Hard disk drive - 1164 (50.9%) Internet connectivity - 316 (13.8%) Networking (both wired and wireless) - 181 (7.9%) Printer - 85 (3.7%) Pointing device (mouse, touchpad, etc.) - 84 (3.7%) Power supply unit - 133 (5.8%) Scanner - 55 (2.4%) Sound sub-system - 136 (5.9%) System memory - 362 (15.8%) Optical storage system - 285 (12.5%) Well, I don't see any significant reasons for a breakthrough - 112 (4.9%)