Great camera, but it's been replaced by a newer model. Here's what we had to say about it in mid-2009:
The Canon Powershot SD940 IS is a slim, ultracompact camera with a 12-megapixel sensor and an average 4x optical zoom lens. The SD940 also features a useful high-definition movie mode, which can record video clips in 720p resolution. The SD940 also has an HDMI output that enables easy connections to high-definition televisions for slideshows or video playback.