Cyclocross bike with:
-Rack and grocery bag style panniers.
-Computer
-PB superflash in back
-P7 flashlight up front

My ride: 7.6 miles each way 3 days a week.
The other two days I have a different destination. I ride 15 miles in the morning and take the bus home for all but 4 miles. Total weekly mileage ~83 miles.