Can you explain where these numbers come from?

Edit: 2.4 trillion is 2.4 million million.

Edit 2: Sorry, I meant to say 6 million, and I accidentally wrote 6 billion. I've updated the post above.

Your figures show 2.4 Trillion to 6 Billion, which gives the ratios I just posted. But you actually said there were 2.4 Trillion US Dollars and 6 Million Bitcoins, so that makes the ratios (after dividing top and bottom by 1,000,000) :
2,400,000/6 = 400,000
6/2,400,000 = 0.0000025

There are currently 6 million in circulation, roughly speaking.

http://en.wikipedia.org/wiki/File:Total_bitcoins_over_time.png

Edit:

Well, I found a kind soul on Reddit to sell me 10 bitcoins. I bought them at $5.50 USD. We'll see where this goes...

Bump, to keep it alive. I'm interested in seeing where this goes - I'm trying to find someone to sell me some over PP at a good exchange rate, now that it's on the rise after today's drop. I'd bid on mtgox, but I'm waiting for dwolla to verify my account.

Unless the rise in value of Bitcoins is predictable there's no shame at all in cashing them in ASAP while there's a very reasonable return on your investment because if you wait too long the tables may turn. It doesn't matter if you would have made more money if you waited because just as easily you might have lost it all if you waited. You could also cash a fraction of them in so the original investment (and maybe a little extra for spending money) is at least
"protected"^[1].