I was referring to IPDB's top 10 simply because it's a collection/poll world wide and not RGP focused like Treasure coves. I don't feel price should be a factor because most new games prices are just as much if not more than a lot of the top 10. Clearly one of the arguments of all times is that MM isn't worth XXX amount of dollars.
Let me take nothing away from Spidey as it's a great game. I just don't see it reaching the all time greatness list that currently most B/W titles games occupy. Time will tell the tale of course. MM hasn't sky rocketed recently, but rather steadily gained value over the last few years. But the whole "Rich guys - machine to have" I don't understand that mind set at all.

Simply because a MM can be had for ~$6K to $8K. A person could either have 3-4 $2K games or 2 - $4K games .... you get the point.
How many pinheads buy NIB's? They could simply buy one MM instead of 2 NIBs. Most hard core pinheads can afford a MM, they choose not to.
I could buy one if I wanted to, but I'd personally much rather have several more additions to my current line up instead of just one addition.