Hm.. depends what you wanna achieve with a swap of hard drive.
Actually you will get some small speed up from this kind of hd and really much space to store data.
If you ask me.. I only would take such drives to store data.
Nowadays you should take one of theses babys for system, programms and games:
http://www.newegg.com/Product/Produc...82E16820227394