ride a 'Caution'. some model a few years ago.
use this light system:
http://www.hiawathacyclery.com/cart/index.php?main_page=product_info&products_id=26
works well. never forget my light, never run out of batteries.
i don't commute, because i live about a block from my work.
mainly bicycling in events these days. though, i do have a burley cart i hook u p and go for groceries over at the NPS Market Square store:
http://www.bicycletrailers.com/Burley-Flatbed.pro
i am also a big freak bike fan. love reading all shapes and sizes of freak bikes.