This is the most well thought out, reasonable, least biased opinion on Prop 8 rumors that I've seen - and it was written by a pro-traditional marriage LDS lawyer.
If you haven't read Thurston's rebuttal to the widely distributed "Six Consequences the Coalition Has Identified if Proposition 8 Fails" - you should.
Whatever your feeling is about marriage, this treatise is informative about the jargon that has been going on on both sides of the argument.
http://www.mormonsformarriage.com/wp-content/uploads/2008/10/mat-responses-to-six-consequences-if-prop-8-fails-rev-1-1.pdf