http://www.reuters.com/article/2012/02/13/us-greece-idUSTRE8... "Enough is enough!" said 89-year-old Manolis Glezos, one of Greece's most famous leftists and a national hero. "They have no idea what an uprising by the Greek people means. And the Greek people, regardless of ideology, have risen." Glezos is a national hero for sneaking up the Acropolis at night in 1941 and tearing down a Nazi flag from under the noses of the German occupiers, raising the morale of Athens residents.
It may also be very hard for Greece to sell debt for some time. That said, in the long run, it may very well be the less painful choice. By defaulting, they do get to clean the slate to and extent, and they do gain the new option to print currency as a method of financial stimulus. Argentina defaulted in 2002, here are some effects: http://en.wikipedia.org/wiki/Argentine_economic_crisis_(1999... But, things seemed to work out in the end for them: http://en.wikipedia.org/wiki/Argentine_economic_crisis_(1999...
http://en.wikipedia.org/wiki/Eurozone Here's a map: http://en.wikipedia.org/wiki/File:Euro_accession.svg