Is it possible to get a Commute bag with a non-removable messenger strap?

I've been searching for the perfect new Timbuk2 bag to replace my ten year-old basic cordura messenger bag. The Commute line has almost everything I'm looking for: must-haves include the grab strap and the luggage pass-through. However, I've had bad luck with removable shoulder straps that have cam clasps. I've found that the sewn-in messenger straps better hold up to heavy loads. Do you have a version of the Commute with the non-removable messenger strap? If not, is it possible to get one custom-made?