My computer works perfectly fine, when none of the mentioned USB devices are connected. It'll run for days.

Way ahead of you on the self powered USB hub, didn't help. My remote is a TV Tuner Remote (even though I don't have a TV tuner card). If I unplug it, before plugging something else in, I can usually extend the amount of time before it crashes, only a couple of mins though.

You're completely right about the HD failure. Thats what happened to my old Raptor a month ago and I don't want it to happen again which is why I want to fix this as soon as possible.

I keep the inside of my case pretty dust-free and all my cables are zip tied and tucked out of the way of my fans. I'll check out my MB's capacitors, but I think I finally made the decision to replace it last night. I'm probably going to buy a a real nice one, because that DFI Infinity was cheap and I don't want this happening again. Maybe a DFI Lanparty, an ASUS P5Q Deluxe, or something else along those lines.

Thanks for the help guys, I was just hoping there was one last shot before I replaced it, but every forum, person I've talked to has eventually said to replace my MB. If it works I'll post it, but don't expect it anytime soon. Thank again!