I have one & I LOVE IT!
pros: keeps everything out in the open and I keep it on my table next to me so I can flip thru and find what I need. Other page inserts work as well...I actually have mine with CM sticker/paper pages mixed with scraprack and CIB pages. If I know what I'm working on when I go to a crop, I just pull out that spindle & go.
cons: hard to travel with, when I go to a weekend long crop, I do need everything and it takes 3 binders to hold it all. My kids can see it and regularly "borrow" things for school projects. It's BIG, I have a tv tray table with only the rack on it.
I've had mine for 3 years now & I think it works great!