sounds like you have a bug up your ass, but i'll respond anyway.
here is a decent review at Steve's:
http://www.steves-digicams.com/2003_...qvr40_pg5.html
can't put my finger on the noise/image quality links, but I did come across them when doing a quick DD.
I found this to be a limitation ( you may not care, that's fine):
"The QV-R40 is simple enough for a beginner to use and although providing no way to manually set aperture or shutter speed, it offers plenty of adjustability to satisfy the creative urges of an intermediate user"
BTW, I got my daugter a Fuji 205 (2MP,3x opt) for about $100 and it works fine ..this Casio one may be a bit better
BTW ..if you are not printing 8x10s, there is little need for more than 2MP (1600x1200 image) ..after that it boilds down to features and size.
If I find the above reference I'll post, but image quality is ALWAYS the prime feature ..everything else you can work around