Thanks again, guys - some really useful info there, especially re the fit of the 30mm lens. I am not wedded tot he Oly 30mm, and can happily get the Panasonic, which appears to be a better fit.
@ChrisRoss - thanks for those links. Gonna go read them now.
@Griff - thanks for that explanation about the trigger. I am a fairly low-volume shooter, so i should be able to get a single day's use out of the battery. Am also going to look into after-market batteries (Wasabi and others usually make options with better-capacity batteries and i have one for my Fuji as well)