What are these speculations based on? Althought, I'd say hell yes to BTC being worth $5000,- per coin but I can't really see this happen.
Potential value of one bitcoin:
http://i.imgur.com/zh5ibyH.jpgReplace "bitcoin" in that chart with "Yugoslavian postage stamps", it will "prove" that those stamps may be worth a fortune one day.
The little detail that is missing in that "proof" is why is why the key word in that chart is "bitcoin", rather than "litecoin", "GoogleCoin", "WellsFargoCoin", "USACoin", or even "Yugoslavian postage stamps". Or the old US dollar.
