Canon - PowerShot A570 IS Digital Camera Review

I chose the Canon A520IS because of the features.  Within a few months it stopped recognizing fully-charged NiMH batteries as fully charged.  Opening and closing the battery door usually solved the problem, but ultimately it refused to run and I returned it to Canon under warranty.  They sent me a new one which exhibited the same characteristics right out of the box.  I returned that one and they gave me an A720IS, similar but with a 6x zoom lens.  This camera occasionally exhibits the 'low battery' signal at inappropriate times, but opening and closing the door solves the problem.  I really hope it doesn't get any worse.  I really like the camera and I've used it for about a year and a half now.  Knock wood.