I choose this specific stick as it was regarded as one of the quicker sticks, and I am not disappointed.
I'm limited to USB2 but this is x3 quicker than my old sandisk cruzer (also USB2) which makes a huge difference. The Sandisk was lucky to get 10MB/s this is closer to 30MB/s (write speed, higher than the quoted manufacturers write speed!).
I've installed Windows from this stick multiple times and the increased speed of file copying is a godsend.
If you want the fastest (USB2) USB drive you can find, this is the one to buy.
The rubbery case just adds to the pleasure.
Only criticism is the lid isn't attached so likely to get lost, but it fits firmly so provided you're a little careful it should not be a problem.
Buy with confidence, this is a great USB stick.