I believe technical analysis is a much simpler and accurate way of predicting the future price of any asset, including bitcoin.
Your method of analysing the growth rate of new bitcoin addresses is only useful during the first years of a new coin, but at this stage many other parameters fundamentally affect the price.
Here is my prediction of the current crash, the downtrend starting from 1200 to 800 showed that bitcoin wanted to go down and did not have any strong support line before $100
I am confident that the price of BTCUSD will trade around 100-150 the coming months at ALL exchanges, not only MtGox.
Sell your coins at BTC-e and other exchanges while greater fools are paying huge premiums to you.
Current situation
Original analysis from 6th of Feb 2014