Well I THINK the way the file xfer works is it creats a blank spot where the need to go, which might account for the "zero data" files you've encountered... IF you've stopped the file transfer some kind of way..
Really havne't seen this before... doubt it's a bug or virus...
You might try creating a different user or logging in as a different user to see if the problem persists..
Likewise... try to transfer files to a different computer and see if the same thing happens...
All will be clues as to what is causing the problem...
Well we didn't stop the transfer untill we saw all the duplicate files which was very unusual. The only other unusual thing that stood out to me was that even though the machines were authenticated to each other so they could navigate through the file structure it still asked for a password to transfer the files. If we were transfering them to the root directory or the system folder I could understand for it asking to authenicate but we were transfering to the Desktop of the user and it has the same user on both machines.
The same user name and passwords on different machines are still going to be "different"... unless the username and passwords are stored and verified on a server somewhere..
On the original machine, try selecting a few doc icons, and then paste them into a TextType document..
do just the ones you select show up, or do thousands of others as well?
Last guess is some invisiable ailias some where somehow that's causing all the files to tranfer?
Lastly, doe the buckets of files have any names that look familair? could they be part of the core OS?
Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.
If the problem is still there, try booting into the Safe Mode. Shut down the computer and then power it back up. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart. For each disable/delete, you will need to restart if you don't do them all at once.