PayPal has the ability to build users graphs. If you trade with someone who was involved in a trade involving bitcoins (up to three degrees of separation I think), you become part of the graph. A few trades like these and they freeze your account...
Man that's really faschism ! Who do they think they are, the CIA ? You could be completely innocent in the said example. Guilty until proven innocent I guess...
Use Dwolla, seriously.
Is the whole world supposed to move to the USA, seriously ? It would get a bit crowded with all those Chinese and Indians...
PayPal is the ONLY real way for getting money into and out of the bitcoin market...