Hello members i am new to this site
This is my first post here

I need a help from you people
I am planing to buy a Point and shot camera of 10MP
i have choice of Canon powershot >>
A640
or
SD900/IXUS900Ti
Witch one to buy ?
I need a good quality in snap.
Please give suggestions in all aspects....regarding image quality, Focus, ISO (Noise), and others.

Thank you