"I'm switchin' teams, to a Mac."
I chuckled at that! Doing so means you'll pay twice as much for less of a machine that will have the same problems in the long run!
BSOD is usually a software issue and not a hard drive issue. But if it is your hard drive all your data can easily be recovered, short of your platters exploding! I have literally dropped HDs on the carpet from a foot or so to jar things enough to get it working again. Another great way is to remove the drive and stick it in the freezer for 30 - 60 minutes then re-install it. Using an ATA or SATA external drive is good but they can fail too!
I'd suggest you save your money, buy a new solid state hard drive (no moving parts to fail), put it in your old computer and have someone recover your old data. Then look into installing Peppermint 4, Linux Mint or even Ubuntu operating system. These Linux based OSs are all FREE and can run 99% of all Windoze software, are more secure and efficient that either Windoze or Apple. It might take a day to get used to a new OS but you'd be happier in the long run and you'd save big money.
I currently use an eMachine that is 10 years old, run Peppermint 4 OS and keep all my info and data on a SSD external hard drive.
Just an opinion from a guy who has built and repaired computers since 1997.
Good luck!!!
~GM66