I think folks forget that the instant feedback one gets from digital photography -- "Hey, look at that. Now let's try this...." was also a part of making Polaroid photographs. Shooting with a 35mm film camera meant you wouldn't really know what you had for at least an hour, but watching a photo develop in front of your eyes was, as advertised, Instant Fun.
If you are feeling nostalgia for instant photography, you'll want to visit:
"We are building the biggest Polaroid-picture-collection of the planet to celebrate the magic of instant photography. So please seach your archives and attics and reactivate your Instant Cameras. This is the slamming comeback of Instant Photo Fun."