Is it just my perception or has this thread and the group behind it single-handedly increased the desire to find higher grade copies and more and more CGC submissions in the last year or two??
Thus driving the cost of anything 7.0 and above to command multiples in guide...
I'm sure we have had some influence on pricing, as well as demand. There are many other collectors out there who are not on the boards, or at least don't post here, that are buying these books as well. And HG copies are constantly surging in price, which is good if you got 'em but bad if you need 'em!!