Apple site recommends calibrating the first time usage. Do you guys do that for your laptop? Sorry first Mac, just wanna get it right 
http://support.apple.com/kb/HT1490
"You should perform this procedure when you first use your computer and then every few months after that."
http://support.apple.com/kb/HT1490
"You should perform this procedure when you first use your computer and then every few months after that."