u sure they're asking for your cereal (sic) number?
yep it even has a pic of it circled but i found something funny
"PLAYSTATION®3 computer entertainment system
For the PLAYSTATION 3 system, the serial number is on the back of the unit with letters beginning with CE or CF and followed by 9 digits.
NOTE: The 7 digit code beginning with CECH at the end, is the model number of the PLAYSTATION 3 system, not part of the serial number."
the only thing related to that on the back of my ps3 starts with CK I found the problem.........and Freek says i got a fake ps3
my serial number
CK 025484595
^ ^
the first 2 letters The 9 digits