I think there's some sort of balance in any successful relationship. On the surface, it may not seem fair to outside observers, but if it works for that couple, it's great. For us, it's similar to Tojo, though I won't touch the lawn mower.
I take care of a lot of things around the house, which is only fair since I work, part-time, from home. I schedule contractors, doctor appointments, keep the house (relatively) clean, do the laundry, do the dishes, and try, in general, to have things running smoothly so he doesn't have to worry about things when he gets home. It sounds very June Cleaver, but it works for us. When both of us worked, we'd come home tired and not interested in dealing with dinner or chores. Sure, more money would be nice, but we're doing fine. (Or at least we would be if we could sell our old house.)
For a long time, I didn't feel comfortable with this, but we talked about it and I realized how much of a relief it was to him to not have to deal with these things. And I like having the freedom to do things like book groups and volunteer activities, in addition to pursuing a career that isn't going to have a lot of financial rewards but will make me and lots of other people (I hope) happy.