Hi all, I've been shooting rolls of Delta 3200 on my Pentax 645 and absolutely LOVE the detail and tonality I'm getting out of it! The only issue is that I love MF so much that I kind of want to get a second MF camera so I can split color and B&W between the two. I'm looking for an MF camera that can: -take waist level view finder (when I want to do street and be discrete) -Can last a long time on batteries (or have AA compatibility) -Can still fire without batteries -645 MF format! I had just considered a Bronica ETRS 645 camera... but I believe this takes a "hard to find" 6V battery? I wouldn't want to be caught at a wedding with a dead battery that I can't replace!