Don't worry, the eBay Chinese $60 knockoffs should be showing up shortly.I'm glad it worked out for you, but I think it's a hit or miss thing. A friend of mine had bought a knock-off and it had stopped working within the first week. I suppose it also depends on which brand of knock-off you choose as well. Buyer beware.....
Buyer beware indeed. Yes it can be hit & miss. I tended to go for the more expensive eBay models from eBay shops with very high sales. Trust the gut feelings. Though I did bomb with external battery packs for 580exII, the ones that take eight AA cells. Finally went for the most expensive option...a rock solid $600 Quantum TurboT3. For me it was money well spent.
I guess if a grip bombs on a job, you swear a little, unscrew it and keep working.
But sheesh! Wouldn't it be nice if Canon could just get the BG-E11 moving?