Now is latest time to sale your Bitcoins, because the price now is more than 16 200 USD - http://preev.com/. So you can make extremely good profit now, it is not wise to wait more, because Bitcoin price can go down. 
I respect your opinion, but why do you think this?
At least give some reasoning.
It COULD go to 13,500 or it COULD go to 19,500
Overall trend has been upward...