My wife and I have something of an unspoken agreement in our home: I clean the kitchen, and she cleans the bathroom.  Each of us hates cleaning what the other one doesn't mind so much, so it works out well.  One reason I hate cleaning the bathroom is because scrubbing the bathtub is such a pain.  But that was before I discovered this...

Now, I just found this picture online; so I haven't tried it yet, but I can't wait to bring some power tools into bathroom cleaning!  Check it out: