In the simplest form how would it be possible for the price not to rise substantially in the next couple of years?
Diminishing supply + growing exposure + exponential investment + trading options = positive price increase.
I'm not sure why anyone would be concerned about investing in the technology... this is a great time to expand the wallet.
How many will be regretful for not taking advantage of early 2015 pricing?
I dont think its possible for the price not to go up in the next coupe years without almost complete death. The way that bitcoin is designed and the historical public reaction to it has meant growth in the past. It just taking the time it needs to make the next step. The average joe public just dont yet understand why its a better form of money.