Interesting that for G series Canon have pretty much settled at 4000x3000 pixel size for stills. Maybe it's close to limits of the optics?

Among other things, cameras like these could be great for timelapse shooting, especially with some extra ND. Small size, no need for big rigging, SDXC support, fast continuous shooting for smooth movement and not too power-hungry. With 128 gigabyte card and external battery these could shoot JPEGs continuously for a few days.

Photo samples - http://www.dpreview.com/galleries/reviewsamples/albums/canon-powershot-g16-samples-gallery#page=1

http://www.digitalcamerareview.com/default.asp?newsID=5412&news=canon+G16+wi-fi+great+image+quality

Some studio test shots - http://www.ephotozine.com/article/canon-powershot-g16-sample-photos-23058

G16's movie modes is the introduction of a 1080p full HD mode at 60fps. There's also a 1080p30 mode as well as 720p30 and VGA (640 x 480) also at 30 frames per second. No doubt there'll be those who mourn the passing of the earlier model's 1080p24 mode, with it's film-like qualities, but probably more will welcome the higher frame rate which provides the option for good quality half speed slow motion recording when played back at 30fps, something that Canon has thus far avoided on its DSLR range, at least at 1080p.

http://www.cameralabs.com/reviews/Canon_PowerShot_G16/index.shtml

Image quality is excellent, though, with a perfectly usable ISO range of 80-1600 and fast f/1.8 maximum aperture, albeit only at the 28mm wide-angle lens setting, making the G16 very well-suited to low-light, hand-held photography. It's also possible to capture the blurred backgrounds and sharp subject that most compacts struggle to achieve, while the 5x zoom offers a longer reach than some rivals. Full 1080p video at 60fps with continuous auto-focusing, stereo sound and full use of the zoom is the icing on the imaging cake

http://www.photographyblog.com/reviews/canon_powershot_g16_review/

http://www.imaging-resource.com/PRODS/canon-g16/canon-g16GALLERY.HTM

http://www.imaging-resource.com/PRODS/canon-g16/canon-g16A.HTM

Video performance is good with the PowerShot G16. It unfortunately doesn't offer a lot of manual control options over the video settings, but the camera's automatic settings create adequate video clips. The 5x optical zoom works.

http://www.steves-digicams.com/camera-reviews/canon/powershot-g16/canon-powershot-g16-review.html

G16 is an excellent compact companion. It's a jack of all trades but master of none (although you could argue that its its macro capability is). It operates fast in almost every single way, it's versatile, has good battery life, very comfortable to shoot with, and has an excellent and easy to navigate menu system. The G16 is a well thought out design that benefits from years of G series heritage, and, its at a very nice price right now

http://photographic-central.blogspot.ru/2014/12/canon-powershot-g16-review.html