A growing list of information after looking into using MacFuse with Amazon S3.
Thread on s3fs and in the Amazon Web Services Developer Connection forum.
s3fs-fuse project page
MacFUSE project page
Downloads:
MacFUSE Core
SpothlightFS
SSHFS
Amit Singh's announcement
How to uninstall
GmailFS via MacFUSE
with Objective-C
Getting started with MacFUSE