My friend tested this and it was able to fix all of his stuck pixels on his lcd. You have to leave it on for a while but it does work. Note, does not fix dead pixels.
http://udpix.free.fr/
Yea do what hammer said, I dunno why they don't sell them like the 5500 batteries/ I was lucky as well, when I ordered the 2nd battery, I was charged only $55, now thee are much more expensive.