A lot of wrankled feathers on both sides of the DaVinci Code isle. Bottom line, DaVinci theology isn't anything new. Heretical DaVinci theology has been around since the first century. No need for anyone to fly off the handle over it. Bottom, bottom line is, some people will believe anything and do anything to avoid facing the reality and truth about Jesus Christ.
One of the best DaVinci resources is here. Check it out.