As of February 2009, what position does the awesome site Fanpop hold as a fansite - worldwide?

It depends on which site you use for the measurement. Here are a few though as of February 25, 2009:

Alexa: #1564
Quantcast: #1550
Compete: #1420

So we're not yet a top 1000 global website, but hopefully in the next year we will become one!