I did and do--and even more. This was a very extreme situation, I grant you, and had I been thinking better, I would have just bracketed at the amount I needed and done a manual blend. I was shooting primarily with the 5D for this--and thought I'd try the G1 in same conditions. In most other more 'normal' conditions I've been able to work from a RAW and be happy. This time not--but it taught me to take more time and think about what the camera and RAW file are capable of. Traveling with another--and being in the way of other photographers--makes one do things more quickly than I'd like.Not that I believe the G1 sensor is on par with the DR of a sensor with 3.5x the area ... but I found on testing the G1 for DR that given the fact that the metering is not protective of highlights AND the set ISO is about .3-.5 EV pessimistic. This means its easy to overexpose highlights. Dial in a -.3 to -.5 EV Exposure compensation setting, and its DR is right in line with L1, E-1 and K10D bodies at around 9.5 stops (K10D is best at 10.5 stops and the L1/E-1 turn 10 stops).
Works well enough for me.
Diane