What do think about ICOs like vDice, Janus and Wings DAO?
Still thinking about those three. I really don't like trading much and don't like to support PoW-based projects (obsolescence of that Proof-of type), so I'm taking part in a few projects and...
and which existing projects will do well in the coming years?
...the greatest bounding factor is not having enough time to deep-analyse. Too many details for me to make such prediction. I play with educated guesses. Look at community, look at dev's goals (raise money or raise awareness), and u'll get basic idea
In my educated guesses, just look at all of the three if they were becoming fail pennies.
Deep-analyse will look all of the parts of ico, Which means was more detailed about ico.