The next 100-1000x coin is firstcoin,adzcoin and ganjacoin.As you can see all of this coins have very good projects and you can see that firstcoin have already a lot of sucess so it will be usable in real world.Firstcoin can even be in race with bitcoin.Bitcoin will not be used later like other cryptocurrencies for buy other things because bitcoiin transactions are more expensive and also transactions are very slow so it is better to concetrate on other cryptocurrencies.