I just bought a 12" iBook after the PowerBook updates turned out to be so disappointing. I've very happy with my purchase, but I'm a little concerned about the AC power port. On my PowerBook the AC adapter plug snaps into place. On the iBook, it just slips in. The internal power stem (that connects to the logic board) is also very off-center from the rest of the port. Are there issues with this type of 'fit and finish' problem, or is something off-kilter here?