>>73
Well that's just it. Waggle has proven itself to be deserving of the derogatory term. Nintendo-waggle has buttons too, you know, and it's still not great. Natal is doing something fundamentally different, which is why it has a hope--you don't need buttons if the system can comprehend fine gestures.
I fully expect Natal to pave the way for such a system. On the other hand, if NIA-type tech advances fast enough it may well eclipse the Natal stuff. I don't think we'll see either of these advance to the point of outmoding other control schemes without a serious change in the way input is processed. We're still writing software for it with programmed heuristics, when we should be writing software that comes up with its own heuristics. (NIA does this already, but not to the extent I imagine.)