I built my own computer using this hard drive
Newegg.com - Seagate Barracuda ES.2 ST3250310NS 250GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
It is full and I want to get more space. I don't know the best route to take though. Should I buy a new hard drive and...