I have quarries... I'm planning to buy external hard drives coz I want to transfer all my files and docs from my laptop that I'm using it right now... coz I will buy new laptop soon and i will give my old one to me brother...

Now I have 2 options in my mind... Do i need to buy usb with 8 GB (i guess) and the other one is to buy external hard drive (160 GBB)... 8 GB USB is more dearer than the hard drive... Now my files on my laptop is not that many.. The memory of my laptop now is less than 1GB only... So what do you think what should I buy... And now I guess 160 GB is to big also hehehe. I'm not sure how many GB is the appropriate for my files on my laptop now...

Anyway suggestions please