Okay well does it need a SATA or IDE HDD? I've yet to look for myself.
If you've got a fat you can use the network adapter. You might need to cut it up a bit to use some IDE drives.
You should be able to pick one up for $10, it's well worth it.
http://www.ebay.com/itm/Sony-PlaySta...item27c4842157
Under a day left on that auction you should stalk it.