You can eliminate two cameras right away.
Nikon S2500 and Nikon S3100 do not have optical image stabilization.
Canon just announced the replacement for the Elph 300.
The latest model is Elph (IXUS 230)
http://www.steves-digicams.com/camera-reviews/canon/powershot-elph-310-hs/canon-powershot-elph-310-hs-review.html
..
want to get a new camera
in order of importance

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic