Nice to see some sense being spoken and a bullish attitude with something to back it up
I've been going on (and on) about the trend set in the first part of this year as being the true reference line: 1.8% daily growth.
I think taking it back to the underground days is flawed in that, only this year are we seeing anything like the real value. But if you see here (the last chart I made showing the entire Mt Gox history), you can see that trend albeit in a looser fashion, actually began in Feb 2012:
It is by far the longest vague trendline since July 2010. People, whether consciously or otherwise are looking at that line as a long-term reference.
If you are feeling super-bullish, you can extrapolate the trend from $47.40 on 17th March 2013 @ 1.8% daily growth and see that the line passes through $1,000 in about 6 months. What with the volatile nature of BTC, we could see that price in half the time if only temporarily.
I'm sure a lot of people have a price target in their head and $1,000 is a nice, round figure