Canon PowerShot A3100 IS is a reasonable and affordable camera. We should remember that ordinary people use this type of digital camera. They learn few tricks to capture a good picture. Canon cameras are equipped with DIGIC III Image Processor and Face Detection Technology. These technology allows a user capture a picture minimum effort.
It is a 12.1 Megapixel resolution and comes with 4x Optical Zoom with Optical Image Stabilizer. I think it is a reasonable camera for kids and grown-ups too.
If you read the consumers reviews at yahoo.com and other websites, they are talking in favorable terms about this camera. Most owners said it is an economical and lightweight camera. It is awesome quality for photos as well as videos.