new user here.

overall good cam compared to rx100 m3, better zoom and external control. focus something abit slow... the most important is the handling, better than rx100 (slippery) but g7x got thumb grip.

I think overall both are good, just choose which 1 you like, I choosed g7x because I liked the handling + more zoom (bigger plus point compared to Sony) + Canon menu system (I dont like Sony menu system from my previous experiance).

Battery life quite good actually and similiar to Sony, I'm getting 3xx shots per charged. Not sure why Canon spec saying only 210, sone review also mentioned about this (but I forgot which review).

So, overall I liked canon.

You need lens to matched Gx7 in EOS M + it will become bigger in size. See which way is suitable for you.
my main camera is OMD. I'm using g7x as my pocket camera. I have many cameras but nothing bet pocket camera.

Here is my initial photos taken with this cam: https://www.flickr.com/photos/xajax7/sets/7...th/19987952329/

rm17xx. Now getting cheaper around 1699 - http://www.lazada.com.my/canon-powershot-g...ck-1207013.html
I dont need casing because I liked the naked metal body + faster to shoot without it. also case will make it bulky if I carry with office pants. If going out on weekend, I just use standard small belt pouch.

Definately you need extra battery if you going for vacation. the problem is the battery is expensive around rm250

Hope canon imrpove the auto-focusing system on the newer model. G7x not bad but not great.

Good but need some improvement (maybe I'm spoiled by OMD autofusing )

F4 is sharper on this lens.

i bought g7x 1.4k new 6months ago (just dont ask how)
I like the external controls and feel in hand and preset focus at F4 just nice - zero lag just like my Ricoh grd3