Well there goes the high-grade market.
Ya Tim, as Joe succintly points out, GPA opens the door for new HG collectors/investors to confidently enter the market.
To say otherwise is non-sensical.
As CGc provides established third party verification of grades, so does GPA provide a basis for price point.
Greater Confidence = stronger market, you know this!
Whether or not you agree with the basis of it's establishment or manner of operation, on the larger scale that becomes irrelevant.
And the combined force of CGC, and GPA have GREATLY strengthened the market we operate in, rapidly moving comic cycles from 8 years to 4.