After being invited by Daryl to GMail, i took 15 minutes to get FUSE / libgmail / GmailFS working out of the box :)
It’s quite amusing to mount a FS like this !! Even if gmail is not intended for that it rules.
Copying one 8Mb file to the gmail-space gives me following mails in my inbox:
I guess there is one mail per block and each mail has an attached file of BIN mime-type. Uploading this file has been quite long though (about 2 minutes), but i don’t think i’ll put 1Gb of mails there, so space has to be used anyway :)
Even better, notice the NTFS ad on the right: