Here's some interesting tidbits from CNN's exit polls:

Romney wins amongst pro-life voters, McCain wins amongst pro-choice voters.

Romney wins amongst voters who say they attend church weekly or monthly. McCain wins amongst those who attend church a few times a year or never.

Romney wins amongst those who feel that illegal immigration or terrorism are the most important issues. McCain gets the most votes from those who place the war in Iraq or the economy first.

Romney wins amongst white voters, McCain wins amongst Latino voters.

17% of voters in the GOP primary were independents, with McCain winning 44% of those, or 143,000 votes from independents. His overall margain of victory was 96,000 votes.