I've only had the '90 but its probably the second best bubbly I've ever had, right behind the 90 Krug. I picked up 2 3-packs +1 when it was released, halfway gone now but the last one I has was in October. Still amazing, more amazing actually, than the first two. My wife, who has a much better palate than I, was also amazed by it.
That said, I've never had the regular 90 so I have nothing to compare it to. For me however it has been a stunning wine and well worth the $$.