@Echizen: I've actually almost always used a reinforced Hasbro RSF in my testing; one from the Hasbro Ray Gill starter, and one from Twisted Befall (the black/blue one you've got in those photographs).
I never noticed any significant difference - you might just be seeing the effects of wear, like Angry said. I'll get upstairs in a minute and compare mine (I'll check the width at the base of the rubber, rather than the tip; that should be the same regardless of use).
@Thumnail/Pyro: If you need an R2F, snatch some from crick7 on Ebay (I'd post a link, but my right-click isn't working). He's a great seller. Just got a lot of RDFs from him the other day. He's got a set of 3 for $15. Definitely worth the cash.
I never noticed any significant difference - you might just be seeing the effects of wear, like Angry said. I'll get upstairs in a minute and compare mine (I'll check the width at the base of the rubber, rather than the tip; that should be the same regardless of use).
@Thumnail/Pyro: If you need an R2F, snatch some from crick7 on Ebay (I'd post a link, but my right-click isn't working). He's a great seller. Just got a lot of RDFs from him the other day. He's got a set of 3 for $15. Definitely worth the cash.