Picture quality between the S30, S40, G1 and G2 is too subtle and
subjective to decide on that factor and that factor
alone--althoughh given that fact buy which ever one is cheapest if
you can only afford one. If you are a really rich person, then buy
20 coppies of all of them and run a test on them yourself and
report back here if there is one camera better than the other==it's
not clear at all that any one of the four really stands out in
picture quality. One other thing--and I have found this
strange--the S30 on several sites I have visited is said to be
pretty much the champion when it comes to night shots. Another
thing that amazed me and convinced me that all 4 do the same on
picture quality was the color tests I have seen. In color tests
all brands of cameras are remarkably different. Indeed, different
styles of cameras from the same company are usually vastly
different. In the color tests I have seen--all four Canons look
precisely the exact same under exact same shots. This is why when
I read at another site that all 4 cameras are really the same I
pretty much adopted that opinion for myself. If it is true that
they are precisely and exactly the same--then which camera do you
like regarding all the other factors? Realize that if you intend
to get into buying extra lenses--you can now do that, too, with the
S30/40--there is a $50 adapter that you can get for both cameras
that is rated pretty good. for versatility, price and a truck more
other reasons I am still happy that I bought the S30. Also of
minor import--the S30 seems to be ever slightly better than the
other 3 in the hot/dead pixel category. But if you were to get
such on any of the cameras--Canon has an outstanding record of
replacing the offending camera. Do download the free program to
test the camera for hot/dead pixels from:
http://www.starzen.com/imaging/
And test all 80 of your cameras as soon as you can and then report
back here and let us all know how your scientific test went. If
you are really, really rich--go for the +- discrepancy of 1% buy
buying 1500 cameras from each and then report back here and
elsewhere so that we can all know without having any doubt.