Oh I am, though I only do it once or twice a year. I either need to be on the road in a motel, or, if I'm at home, it needs to be when my kids are away and there's no chance they'll show up.
I wear thick cloth diapers to bed, wet them all night, then get up the next morning, put on my "diaper suspenders" (to keep them from falling down). Then I'll put on tight shorts or sweatpants (both of which make them totally obvious). I recently bought a pair of white nylon mesh shorts and removed the inner liner and lately I wear those because you can see through them and see my Lollidots plastic pants (or whichever ones I wear) clear as day.
I, too, like to be seen by middle-aged women and I always try to NOT be seen by kids. A good time for this is to go out around 9:00 in the morning, when the kids are in school and "Mom" is out doing the grocery shopping.
So I wait until about 9, then I go out and run errands--the grocery store, mailing letters, buying gas. I get increasingly more brave the longer I do this. I'll start out, then after a while I'll tuck my shirt into my shorts to make my diapers more obvious. Or I'll pull the plastic pants up out of the back and tuck my shirt in those (and act like I have no idea that they're sticking out).
Sometimes I'll get really brave and slip off my shorts then hop out of the car to get gas or buy a drink out of a machine while only in a t-shirt and my diapers. I've been seen this way many times and have lots of stories (wink wink). On some occasions, since it's morning, I'll be out doing this and poop a big load in my diapers. That really makes it fun and exciting.
If I'm in a motel, I first try to get a room on the first floor--one with a door that opens out onto the sidewalk with the parking lot right there. I'll open the room curtains all the way and sit there on the bed watching TV in my diapers. Or sometimes I'll stand in front of the window like I'm looking out. As people walk by they'll often look in and see me this way. Sometimes I'll think of something that I just HAVE to get out of the car then go out there to get it in a t-shirt and my diapers. And I love to be sitting there this way when the maid comes by to clean the room.
After a few hours of this I go home (or if in a motel I'll close the curtains) then spend the next few hours sitting there in my diapers, thinking about all the people that saw me this way, and "enjoying myself". Wink wink.