Hello all, I’m thinking of buying a new pen drive, perhaps 16 GB, but I’m confused about buying USB 2.0 or 3.0? Since I don’t have a 3.0 USB port, a 3.0 drive will be of no use. On the other hand, what if I upgrade my PC in future?! So, what do you think guys? Would it good to buy a 3.0 now?