I agree with the others about checking out those threads about this.

Personally, I like the Terry Fly (the Butterfly is too wide for me), but that's for long rides (40 miles or more). For shorter/faster rides, I have some other saddles that work...so it can really vary by how you plan to ride. I've also lately discovered that the way you are positioned on your bike also matters. My commuter has me a bit more upright, and for that bike, I need a slightly wider saddle than I do on my more aero road bike. If you have a comfort bike, hybrid, MTB or other...then the best saddle shape/padding/material may need to vary as well.

It's not an easy process to find the 'perfect' saddle...but it's absolutely worth the effort!!