PowerShot S95 equipped with 10 megapixel CCD sensor and has features almost identical to its predecessor, S90. This device offers a lens with 3.8x optical zoom capability (28 mm to 106 mm) and a maximum aperture of f2.0.
one of the new features on the S95 is capable of recording video features 720p HD picture. In addition, there are anti-vibration feature called Hybrid IS specifically designed for macro mode.

S95 has the ability to measure the exposure manually and equipped also with bracketing feature. Canon also added the ability in-camera HDR (high dynamic range) which will automatically combine images of the bracketing process.
Another feature is the presence of internal flash type of pop-ups and the ability to take pictures in RAW format.
S95 will be available on the market at the end of this month with a price of USD 400

SD4500 IS has 10 megapixel CMOS sensor which is superior when shooting in low light conditions. SD4500-capable lens equipped with 10x optical zoom (36 mm to 360 mm). Capable of taking video features HD 1080p picture.

Best Image Selection will be relied upon SD4500 IS features. This feature will allow the camera to take some shots at varying exposures in a short time, then choose the best photo. ability to record images up to 240 frames per second at a smaller resolution to capture a moment of super-fast.
At a maximum resolution of any camera that will be present at the beginning of September for USD 350 is still able to capture up to 8 frames per second.

SX130 IS SX120 is projected as a replacement. This product is equipped with a resolution of 12 megapixel sensor with 12x optical zoom lens.
With enhanced DIGIC 4 processor, SX130 IS claimed to be able to produce better pictures. The camera is also capable of recording 720p HD video with stereo audio. For its resources, he wore a AA battery. Canon S95 ready to release it simultaneously with a price of U.S. $ 250

source : here