The IXUS 177 has a CCD sensor type which is better than most latest Compact cameras. Most Compact cameras that have been on the market for around the same time as it have a MOS sensor type. CCD sensors produce high quality, low-noise images but consume a lot more power than CMOS sensors. CCD is the most common image sensor type used in digital cameras.
This digital camera's sensor type (CCD) is in fact the best sensor type amongst all latest cameras.
A MOS sensor type is the worst sensor type amongst similar types of digital camera.
There are a number of alternative digital cameras that have a CCD sensor currently available that you might want to look at including the Canon IXUS 180[plb_3191140_price] which has better reviews; or the Canon IXUS 175[plb_3191143_price], or the Sony DSC-W810[plb_3150328_price] which is cheaper.