Yes I think IT WILL happen, just not now till we have decent infra and descent market cap.
But if a major VC will adopt it will change things very swiftly. practically overnight. meaning if it happened now at this point in time,
we will be seeing 4 figures within a day or 2. But for this to happen we need to build the economy beyond the so hatted phrase by many 'Silk Road economy'
That's one of the reasons I'm now building/implementing payment systems for BTC. Every vendor/shop/person that uses BTC helps create the basic support we need. It's not only the big fish we need, we need the small fish as bait.