We have a $3,000US camera, with probably $6,000 in lenses and stuff, and we are agonizing over $100 to $200 for a wireless remote?
If we have watched the history of various cheap Korean accessories, we should realize that each time we succumb to the siren call of saving some bucks we also take a risk that the product is not up to snuff, doesn't really perform as suggested, or simply breaks.
How many messages do we have here about CF and SD cards of strange brands that simply did not work?
For a D80, OK. For a D90, maybe. But not for a D800 or D4 or . . .