Looks like the transparency and competition fostered by Obamacare exchanges will in fact reduce health insurance premiums.
http://tpmdc.talkingpointsmemo.com/2013/09/no-rate-shock-obamacare-premiums-lower-than-expected.php
http://tpmdc.talkingpointsmemo.com/2013/09/no-rate-shock-obamacare-premiums-lower-than-expected.php