I have the Sony R100mk2 and the TZ100 , both bought second hand off ebay. The panasonic is a bit more complicated as it incorporates the 4k stuff and a number of panasonic 'i' (intelligent) features. These latter make it complicated because when you turn some options on they turn other things...
I have had a lot of cameras in last few 5 years I guess you could put it down to a 'problem' for me but it does mean I have used quite a bit of kit.
I have had a G1, G3 and G5 all of which are similar to the G2. All produce good results, I would not put them as hard to use or bulky (though it...