most advanced coin is definitly NXT and Mastercoin. It has that what ethereum and Bitshares want make true this year. I have not the same opinion like the thread starter. I think NXT can also be a currency, but with an asset exchange and this coin is 100% premined, but the advantage of that is that it dont consume much power like bitcoin and has a better security and thats two important things. I see NXT could be the next 10$ Coin because of the features, the security, the asset exchange which is not centralized and many Killer Features will come in the next time! This is my opinion and my experience from all this 400 Coins out there.
But test it by yourself and try out NXT. After that you can make your own decision and if you ask me, when you see the NXT Wallet you think that Bitcoin is in Alpha Stadium and NXT in Beta or RC, because of the features and bitcoin does not give any features except the transfer of bitcoins.
So the most important projects of 2014 are NXT, Bitshares, Maidsafe and Ethereum. We will see later.