Simple stuff, mostly software tweaks:
- Allow us to disable too-easily-hit buttons, like DISPLAY on the GH2, which I wind up pushing accidentally almost every time I grasp the camera.
- Allow us to turn off or reduce the excessive edge enhancement in video shooting (actually, a greater range on all the image adjustments would be welcome).
- Full-time manual override in autofocus mode (not just in the instant after autofocusing) would make the camera a lot more usable, especially when shooting video.
- Viewfinder focusing aids, like variable peaking or focus-in-red edging (the variability is very important).
Harder hardware stuff:
- A second control dial (a la the OM-D or the NEX-7, or most of the high-end Nikon and Canon DSLRs) would allow much faster and error-free settings changes since there wouldn't be the modal push-to-change behavior of the single dial.
- Move the EVF to the corner, like the NEX-7, so (a) we won't have to mash our noses against the LCD, (b) we could more easily operate rear-panel controls with our eye at the finder, and (c) the height of the camera body could be reduced, though it might wind up wider.
- 3.5mm mic jack! Headphone jack! *STANDARD* USB jack!
Hey, a fellow can dream...