Nice. Thanks for the heads up.
The timbuk2 looks like it would do well in the rain, but the corners [where the flap folds down] look like it would leave a small gap. Seagull has added some extra material so that this won't happen.
I think there is a lot of Timbuk2 hate out there that isn't entirely deserved. These are great bags: well built, handy, easy to get on and off, but for a bag to wear while riding, I just think there are better options out there. I am going to keep mine, as it is in great shape.
The Seagull looks a little silly [same as Chrome - only my opinion] with the big shiny buckle. But the buckle works and adjustment on the seagull is far simpler and more effective than the timbuk2.