I think LTC could be the one to surprise a lot of people, the fact that its less volatile lends itself to actually being used as a decent currency.
If bitcoin keeps rising in terms of price and demand, the litecoin would simply follow bitcoin. We know Assians tend to invest Money in litecoin and they have big mining facilities for litecoin. This could bring up new price inflations for litecoin of course. And they like to manipulate the price.