They didn't care how I felt when I bought a MacBook Pro mid February of 2008 only to release the 2008 model on 2/26/2008.
They didn't care how I felt when I bought an iMac mid July of 2010 only to release the 2010 model on 7/27/10.
This is your chance to be a hero. Buy a 2011 iMac now!