A review of the Canon PowerShot S3 IS is available at PCMag. The Canon PowerShot S3 IS is a 6 megapixel ultra zoom camera, equipped with a 12 times optical zoom lens and image stabilization to stop blurred photos caused by camera shake.

The reviewer regards the PowerShot S3 a “very good” camera, awarding it 4 out of 5 points.
The review summary:
“Bottom Line: There’s a lot to like about the 12X optical, 6-megapixel Canon PowerShot S3 IS superzoom, but the price is steep.

Pros: No shutter lag. Articulating LCD. Powerful feature set. Very good video.

Cons: Smallish 2-inch LCD. Mediocre recycle time. Expensive.”

All available reviews and more information on the Canon PowerShot S3 IS.