Tips on Shooting at Night

I shoot Canon with 1.4 (nee 1.8) glass ...

30 sec on a tripod, the headlights though permeating the frame, did not overwhelm it. subject at approx 30pmh.
http://nomis.rrpicturearchives.net/show ... id=2177268

f2 (on f1.4) hand held, subject stationary
http://nomis.rrpicturearchives.net/show ... id=2383317

f1.8 (on f1.8) hand held, subject approx 15mph.
http://nomis.rrpicturearchives.net/show ... id=2160853

f2 (on f1.4) handheld, subject approx 100mph. (still need more practice, or even a tripod for these shots)
http://nomis.rrpicturearchives.net/show ... id=2382404