Ooo ooh - me first!

I *love* my Canon G9, though I admit I almost never use its optical
viewfinder.
My Pentax Optio S50 likewise sports a viewfinder, and I do tend to use it,
since the LCD is postage-stamp sized.

Read the dpreview article on the G9.  Expensive camera, but...

Very few cameras these days have the traditional optical
peephole viewfinder, like what was found in most film P&S
cameras and early digitals. Canon & Sony are about the only
ones left who put peephole viewfinders in (some) P&S models.
But even then, they are very small, almost to the point of
not being usable. My wife's Canon Ixus 75 for example is
good enough to ensure you are pointing in the general
direction, but hopeless for accurate framing.

Most (all?) of the cameras with 10+ times Zoom have an
electronic eye-level viewfinder, of varying quality. Some
(eg canon) are extremely low resolution and pretty close to
useless, while others (eg Kodak) are very high resolution,
and while still short of a true optical finder, are good
enough in most cases.

Most of the modern cameras now come with high brightness
screens that will still allow visibility even in bright
sunlight. This was probably the biggest drawback of trying
to use the screen for framing in earlier cameras. Also
battery life, and camera efficiency have improved, so using
the viewscreen no longer sucks your batteries dry like they
used to.

With this in mind, traditional viewfinders are IMO not as
essential anymore. When I was using my old Kodak DC3400, I
used to use the viewfinder all the time - hardly using the
screen - because it suffered terribly from both battery
drain and poor visibility. Since I upgraded to a Canon S2
and my wife got the Ixus, I hardly ever use the viewfinder -
the viewscreens are good enough, and certainly better than
the EVF in the S2 or the peephole in the Ixus. Of course I
still much prefer the viewfinder in my SLRs over
viewscreens, EVFs and peephole viewfinders.