AHHH THATS SHIT haha, fuck knows why mine had to email me!? I thought ide be able to just change it on the ps3!
did you set up your psn on your ps3 when you first registered for psn account? it said you could only change it on the device you registered your psn account on
I registered my PSN account on my old 60Gb PS3 but I changed my password earlier on my PS3 Slim