We will see $3500 faster than you think. It will be exactly in the similar fashion we reached previous ATH, fast and out of nowhere.
There are massive number of positive bitcoin news circulating around: Japanese internet giant GMO launching Bitcoin Trading Platform in Japan.
One of the bigger payment processors in Russia will soon embrace bitcoin and add it to their system, not to mention future scaling solution.
Bitcoins price has been quite resilient and the latest crash was much smaller percentage wise than previous crashes so I think to it will move steadily up and make permanent gains. $3500 I think will be reached before the end of the year.