1) No, it should be the same if you are just using it as a shared drive. It doesn't matter anyways, you are simply not going to get NTFS working reliably.
2) Report it as a bug to Fedora Core, or just disable it.
3) Try checking out ATI's FAQs and their other resources. Also check out FedoraFAQ
4) Please don't bump your thread without waiting 24 hours. I was having supper