Thankfully I always keep a back fender on my bike. Also, fixed gear bikes are actually practical for riding in the rain, since I can control my speed without relying on moisture-impaired calipers.
My Seagull messenger bag passed it's most rigorous test yet, as evidenced by the fact I'm updating my blog with my completely dry MacBook. When they say waterproof they mean waterproof!
Oh, trackstand in the pouring rain waiting at the CSX? You better believe it.