I had the W80 for a week and returned it. I tried all of the new W series and found the W90, which is basically the same camera as the W80, just one more megapixel- to be the best and kept it. Very good picture quality inside and outside. Takes very good low light shots in my opinion. (I was having the same noise issue with my P&S ) I tried several brands and found that the Fugi Z series were nice, but lacked many of the Sony's added little features and IQ was basically very good in both. I also tried the Canon SD1000 but did not care for it at all. Low light shots were the return of the Noisy issues.
I know the Canon you are referring to has very good reviews, but I did not try that one, so cannot comment.
I own a Digital Rebel XT, and I'm looking for a good point and shoot to carry around every day for convienience. Right now, I have the Canon SD450.
I'm looking at the Canon Powershot SD800 IS and Sony Cybershot DSC-W80... The biggest difference I can tell as far as my research on the net is a hundred bucks and some little features. My biggest concern besides price is amount of noise on the image in low-light shooting and motion blur (both of which my little ******* SD450 is giving me a LOT of). I know both cameras have image stabilization, so that will help I'm sure...
If anyone could give me their opinion on these cameras, especially those who've actually used either one, I'd really appreciate it!
(Probably should go in another post later, but if anyone can give me an opinion on Sigma lenses, I'd appreciate that too!)