My bike is a new K2 mountain bike, and I use it as a utility bike. No clipless or clips, mostly cause I don't see the need for most of my daily riding. I may get some Powergrips eventually, but there's a lot of higher utility upgrades ahead of them on the list. There are plenty of other utility and commuter riders around here who do use clips or clipless. It does have lights and a rack, so it hits high on the dork scale. Comfy beater saddle instead of a nice one. It's also an inexpensive enough bike that I can afford to replace it if it gets stolen. Fenders are very useful and improve the dork quotient.

I use a single U-lock for parking outside. When I'm at home, the bike is stored in my apartment building's basement. There are large support poles that I can lock my bike to down there, or if I felt really paranoid, I could lock it in my storage area. A lot of tenants have bikes down there, but most of 'em don't ride much.

The city of Madison requires bike registration, so mine is registered. I've also observed that quite a few public bike racks have bikes sit for weeks without being touched. The giant spiderwebs are kind of a clue , ditto seeing the same bike in the same spot every day for weeks. If this were a higher bike theft area, I'd definitely add a second lock.