I finally got my flat fixed and got on my bike yesterday for 7 miles. Feels pretty good -- I still find myself with my sitbones almost hanging off the back edge of the seat, as that is most comfortable..

After the ride I ended up raising the seat higher and pushing it back farther. I'm beginning to think I'm trying to turn my hybrid into a road bike. I'll see how it feels today.

One thing of note -- the very helpful guy at the LBS did his best to convince me that the Brooks wasn't going to be as good as one of their serfas or other softer saddles. A definite bias against Brooks, at least at that store!