About "New users who want to share files between their Ubuntu and Windows PC and create a guest-enabled share will be outraged when they find out that they cannot read their files"
They should be able to read their files. Looking at comment 7 above:
-rwxr--r-- 1 nobody nogroup 0 2009-12-05 09:31 prova.txt
That's world-readable... you don't need to be root to read that file.
About "New users who want to share files between their Ubuntu and Windows PC and create a guest-enabled share will be outraged when they find out that they cannot read their files"
They should be able to read their files. Looking at comment 7 above:
-rwxr--r-- 1 nobody nogroup 0 2009-12-05 09:31 prova.txt
That's world-readable... you don't need to be root to read that file.