Pros: Fantastic odor control, very light and easy to change
Cons: Easily tracks everywhere once it breaks down, cats don't adapt to it well at first, overpriced for its value
This is definitely one of those things you need to introduce your cat to slowly. Don't just go from your old stand-by of Johnny Cat to these pellets, or your cat will most likely become very confused and decide to "take their business elsewhere" as it were.
That being said, it's quite probably the best litter I've ever tried. The downside is that it's considerably more expensive than regular clay litters, and despite what they say on the bag, it tends to last only about twice as long.
As far as odor control? IMMEDIATE! It leaves a wonderful woodsy-aroma everywhere, no dust, and no heavy perfumes.
Another downside, though, is that once the pellets break down into their component sawdust, it tends to get EVERYWHERE if you have a cat like mine who gets a bit OCD when it comes to covering her stuff. Not just in the burying, but also once she leaves the box with that now slightly damp sawdust stuck to her feet.
Judicious vacuuming is necessary - more so than other litters I've tried (except for a lot of the clumping litters which turn my boat's salon into a day at the beach).