I am quite set on getting a "proper" flash for my GX1 and have done my bit of research, but I'd really appreciate your help on finalizing. -TTL is something I'd like to have for the on-camera use - that rules out manual only flashes. - Now for the off-camera: is there a good point in getting a flash that has also the in built meter (auto mode)? I understand that even in auto mode I have to set ISO and F stop manually. I suppose that even with "auto" mode after firing a test shot I'd have to dial in EC (or am I wrong?). That leaves me wondering if there is scope in getting a Oly FL600R/Pana FL360LE/Metz 58 or I could spare one third of the price and get a Metz 50/52 (or another similar option, if you remember of one). Thanks!