The wide end of the zoom range.
...and the long end. 8x may not sound much, but it makes an enormous difference in framing.
And if you can live with the drop in quality, there's digital zoom too.
Exposures are well balanced
Colours on the Canon IXUS 145 are bright and vivid
The IXUS 145 is able to capture fine detail well
Auto white balance on the IXUS 145 does a good job of representing true-to-life colours
Macro mode on the IXUS 145 is pretty impressive
An example of the Monochrome filter at work
Optical zoom performance from the IXUS 145 is good - this was shot at 8x
A nice example of the colour boost gained by using the Vivid filter