Which is better? Or are there any better ones within this price range??

Canon PowerShot A530 Specification
5 megapixels, 4x optical zoom , auto focus, auto and manual exposure, ISO 80-800, JPEG file format, movie mode w/sound, 2 AA batteries, 1.8 inch LCD, SD/MMC card storage (16MB included). RM 589.00















Canon Powershot A540 Specification
6 megapixels, 4x optical zoom , auto focus, auto and manual exposure, ISO 80-800, JPEG file format, movie mode w/sound, 2 AA batteries, 2 inch LCD, SD/MMC card storage (16MB included). RM 775.20













Panasonic Lumix DMC-FX7S Specification
5-megapixels, includes panasonic SD viewer for DSC, ArcSoft Panorama Maker, ArcSoft PhotoImpression, and ArcSoft PhotoBase software, 2.5 inch viewscreen, which is larger than some similarly priced digital cameras, 4.8 ounces weight. RM 759.81















Sony Cybershot DSC-S600 Specification
6 megapixels, 3x optical zoom, auto focus, Auto Exposure, Exposure Bracketing, Multiple Program Modes, ISO 80-1000, JPEG file format, movie mode w/sound, 2 AA batteries, 2 inch LCD, Memory Stick Duo, 32 MB internal. RM 627.00