Hard Disk Drive Great Drive! What Is The Most Economical Hard Drive I Can Buy For My Laptop That Only Needs Less Than 60 GB?

What is the most economical hard drive I can buy for my laptop that only needs less than 60 GB? - hard disk drive great drive!

I looked on eBay and I do not trust the cheapest brands. Besides the fact that no more space than they really need. I do not want money. A portable hard drive would be too great, because I have a laptop. Furthermore, what will be added to the system? How do you think it's cheaper and better?