Killed a hard drive without backing up? Deleted your babies first photo and already emptied the recycling bin? Not to worry, you can probably recover your data with the help of this guide from PCSTATS.
"The loss of factory hard drive capacity seems to be an increasingly common occurrence with very large capacity (ie. 1TB) hard drives, but it's not specific to any one hard drive manufacturer. It can happen to brand new drives or existing hard drives full of data. In either case the data portion of the drive isn't generally affected. If a new or existing hard drive in your computer suddenly pops up with a capacity of 32MB, or another value equally small compared to the true drive size, don't freak out, the data should still be there."