1. Lots of Dapps being built - These dapps need ether to run, so people will most probably start using ether more often because they will be using these application
2. Innovative technology - Unlike other altcoins, ether makes a significant change on the protocol level. Being able to change state and act like a turing complete blockchain makes it extremely powerful.
5. Bitcoin transaction confirmation times are extremely long
- Wait for the market to recover and i am sure we might reach around thousand dollars when the market recovers, but i do not see any crazy rally but wait for the market to recover.