180 gram "audiophile" vinyl

I find myself a little torn between a rock and a hard place (but am not losing sleep over this).  I want to support the vinyl revival any feasible way I can, and a major way in the industry's eyes would be to buy new releases, whether they be new material from artists, or catalog sales.  Either way, common practice now for these releases is to mark them (and therefore manufacture them) in 180 gram weight (or more).

In the right place at the right time, with original posters, original pressing.  Now avail. in 180g.
http://www.yelp.com/biz/on-the-corner-music-campbell

This implies you are getting a superior product of higher quality than the norm.  From what I've read from multiple pressing plants, standard weight is 130-140 grams, +/-.  For an additional charge, you can upsize your project to 180.

I have also read from engineers (see first link below) that this extra weight does nothing for the sound (it just weighs more and feels more substantial in your hand).  If you've been around and seen more than your share of records, you may recall that RCA experimented with lightweight many moons ago; they marketed them under the trademark Dynaflex, claiming that the sound actually improved and that the result was much less prone to warping.  I can attest I've never seen a warped Dynaflex record, but the first time I picked one up, as it bent under its own weight in my hands, I thought to myself "what is this cheap business?"  RCA was kind enough to write an article on the inner sleeve, figuring that most everyone would ask themselves the same thing.

http://www.laweekly.com/music/why-cds-may-actually-sound-better-than-vinyl-5352162
https://en.wikipedia.org/wiki/Dynaflex_%28RCA%29

So, naturally, I ask you, Joe Public, can anyone prove or disprove that the weight matters at all?  Sure, it sounds good, pun intended, from a marketing point of view, but what am I getting that I can hear?  Is it all just about having something nicer to handle?