That GPU will melt under new games; you need an ATI 5870 minimum. I would recommend these specs:
CPU: AMD Black Edition "Thuban" 1055T six core @ 3.2GHz
RAM: 8GB DDR3 1333MHz
MOBO: Gigabyte 890FX chipset
HDD: Seagate Barracuda 7200.12
GPU: 5870 (Gigabyte or Sapphire brand)
You would be correct, but ACPI is supported by all modern OS's and BIOS's, you probably won't find an option to disable it as 7 needs it for Plug N Play, flashing the BIOS may reconfigure the power options, that's why its a good idea.
Samsung drives are a poor choice; they are loud and run relatively hot. I would only consider Seagate for my hard drive purchases now - cheap and quiet. Hopefully that drive isn't used. As for performance, all hard drives are roughly the same if they are built within the same period, that's why...
Blu-Ray can't be enjoyed on a PC, especially in terms of lossless audio. The best option is to build a separate media centre, connect via HDMI to a receiver that decodes DTS Master Audio, and then connect the receiver to a 60" plasma or projector.
Yes. Have you tried running Crysis for 6 hrs @ 1080p? Any upgrades you add may overload that PSU, and its a mystery what the rails are rated at, or the ripple figures or the efficiency curve or well anything. And the motherboard - ?
Right click the desktop, see if align icons to grid is checked. Then, scan with SuperAntiSpyware to eliminate the possibility of malware. What antivirus are you using? When did this problem start? Any possible software conflicts?
I'm setting up some new videos on youtube relating to Windows 7 maintenance, the first 2 are about finding, installing, and uninstalling drivers. These are "silent" so to speak, as I have to buy a new microphone asap. They were originally recorded @ 1920x1080p/24FPS so if you have a 1080p...