Trophies can turn MONEY into PSN
Do you like trophies? In the new venture of Sony in USA the trophies can yield credit points in PSN. That is, achievements in exchange for MONEY $$$. The trophies yield:
100 silver trophies - 100 points
25 gold trophies - 250 points
10 platinum trophies - 1,000 points
1,000 points will give you $ 10 credit. Little, but those who are not in a hurry can accumulate to buy the games.