I've used the integy ones, they've turned a TON of screws without breaking or wearing out... Only thing I do not like about them is that they're slippery at times, it can be difficult to get a good grip on the handle if you have a stubborn screw.... The Hudy wrenches are much easier to get a good grip on with the knurled finish.
I'm probably going to start slowly acquiring some Hudy drivers as the integy ones wear out, but my wallet just can't take the hit all at once.