I found the on Kirk Tuck’s website. It sums up my feelings about wide angle and normal lenses:
“When used on a micro four thirds camera like the Lumix G9 the 25mm lens has the equivalent field of view of a 50mm lens on a 35mm sensor camera. It's a nice focal length for me because I can never figure out what to do with the rest of the stuff on the edges of images made with wider angle lenses.”
In other news actually related to this thread, he has some interesting comments about using the G9 with a manual lens:
I've forgotten how much I like his writing.