i got the a80.. that is the 4mp one
is great... i am not ure if 3.2 will be enough to be honest..
this camera is awsome.. i have taken some nice nite pictures with it.. cuz it has fully manual mode.. here are some example of poics i hae taken
http://img397.imageshack.us/my.php?image=pic29zq.jpg
http://img397.imageshack.us/my.php?image=pic38mo.jpg
http://img397.imageshack.us/my.php?image=pic47pf.jpg