In any case prices have Sky Rocketted on HDD's because the Seagate and Western Digital factories have BOTH been shut down due to the floods. So whatever you buy it's going to be expensive for a while. If possible, I'd get one from ebay, on the cheap to tide you over until the prices come back down, which will probably take up to 6 months to a year.
Studying for CCNP, Currently hold CCNA.
If you ask a question you're afraid to get the answer to, expect an answer you're probably not going to like.