I would definitely go that route as well, but have no need as my OS drive is the whole 750GB partition of my HDD. I have two other 750's, but they're encrypted with TrueCrypt and used as storage for backups of the games, as well as Movies/Blu-Rays/Tv Shows. I'll keep this in mind though in case...
I really hope that processor is un-overclocked...Your comment about your PC is just like saying, "My car is a beast. It's a Ford Escort GT with a custom exhaust and 91-grade fuel when I fill 'er up"
Buy a modern, high-end graphics card and processor/RAM before you refer to it as a "beast". Not...
I was in the same boat as you...just on the fence both ways. Bought it, I couldn't get farther than an hour without taking a break. It messes with your head and is VERY interactive for being an indie game. It's worth the $4.80 IMO.
That's like 2 sandwiches at Burger King for a game that will...
For those on the fence about Amnesia:
If you want a game that WILL creep you out and can spare the $6.80, give it a try.
I was skeptical about it as I've NEVER had a game do anything more than a few second jump. However, after playing Amnesia for about an hour, I had to stop. It was beginning...