In reply to davidbeynon:
> There is one downside though, and for me it is quite serious. I can't believe none of the reviews I read saw fit to mention it! It seems that the maximum exposure time allowed is inversely related to ISO.
Isn't this only when you have the auto-DR turned on? I have an X10 and if the dynamic range setting is on the shutter speeds get quite severely limited. I assume this is because the different sets of pixels on the sensor can't be used for greatly different times*
Try turning Auto-DR off and see what settings you can get.
*just a dumb hand-waving explanation which is probably totally wrong