I thought I would throw this into the mix as it compares well with the Canon Powershot A2300 Digital Camera.
I bought this camera last year with an extended warranty. The retractable dust cover doohickey failed within the first month. Returned it to the store and exchanged it for another one on warranty and no problems in the last six months.
Canon PowerShot Elph 520HS
Best Buy price (as of 1/26/13): $164 ~ $94 more than Canon Powershot A2300 Digital Camera
12x optical
Can't remember how fast burst mode is but it's stupid fast ~ 7-10 shots per second. My Nikon D5000 DSLR is only in the neighborhood of 3 sps which has been fine for me up to this point.
Video 1080p
Camera with battery and wrist strap 5.4oz
Battery charger 2.5 oz
I take fewer than 50 pictures per day and was still on the original Canon NB-9L battery at the end of a three day hike. I suspect two batteries would get me through a couple weeks ok at the same rate but I haven't field tested it in those conditions yet. Important to pack the pastic terminal cover for the back up battery to prevent discharge.
I bought the Wasabi NB-9L battery as a back-up. It's advertised to last twice as long as the Canon battery but I haven't tracked the performance enough to confirm this.
Overall pretty happy with this camera even with the dust cover snafu and is my go-to camera for trips where I don't want to carry my DSLR. Pictures have been a 5/5 (by point and click standards).
It is difficult to tell what the weight penalty is over the Canon Powershot A2300 Digital Camera without knowing the weight of the A2300 battery and charger but it is in the same ballpark. It is more than twice the cost but I was willing to pay more for the extra features.
Specs per BB where I bought it: http://www.bestbuy.com/site/Canon+-+PowerShot+ELPH+520+HS+10.1-Megapixel+Digital+Camera+-+Black/4810843.p?id=1218532171799&skuId=4810843&st=elph%20520&cp=1&lp=1#tab=specifications