Here's my commuter bike: 1985 Trek 600 with all stock components. The paint is pretty beat up, lots of scratches and chips, but no dents in the tubing. I wanted something that wouldn't be very appealing to theives, but still a nice ride. I settled on this steel lugged Reynolds 531cs tube bike and I'm very happy with it.

I added Planet Bike fenders (tight fit!) and a Tubus Cargo rack to hold my Ortlieb panniers. For illumination, I have a cheap bontrager LED taillight and for my headlight a bored Surefire C2 with an A19 extender so I can run 2 18500 Li Ion cells powering a Torchlab L1 Triple XPG (~1000 lumens out the front)--good for ~75 minutes. My commute is pretty short compared to most around here: only 4 miles one way, and it's 90% on a bicycle trail.

Anyways, here's my bike: