+1 for sticking a good SSD (or two in raid 0) in front of your HD, for your OS, main apps and games. You will really notice the difference.
FWIW, the 5870x2 hasn't been announced yet, I doubt it will be released at the same time as the 5870, they usually leave it a few months.
FWIW, the 5870x2 hasn't been announced yet, I doubt it will be released at the same time as the 5870, they usually leave it a few months.