Restoring from Time Machine after erase & install

Hi, I have an iMac I rebuilt and when I plug in my Time Machine disk, all the UIDs are mixed up.
this is not surprising as I created users on my rebuilt iMac in a different order.
This issue is how can I correct the ownership of each of my user directories in /Users?
I tried to "sudo chown -R" but it won't let me do this on a Time Machine backup disk.
the only workaround I have right now is restore the user folder and perform a chown after it's been restored.
what I really would like to do is to continue making incremental backups to my backup disk if at all possible.

do NOT try to chown stuff on TM backups. if the UIDs don't match change the UIDs of your current users on the main drive so that they do match. go to system preferences->accounts, unlock the lock at the bottom, control-click on an account and select "advanced options". in the popup you'll see the current UID and you can change it there too. after you do that you need to run chown on that user's home directory. do that for every user involved. another thing you'll need to do afterward is chown Temporary directories for all users involved. else it will mess up various cache and temp files. log in as a user and run
sudo chown -R `id -un` $TMPDIR
do that for every user.

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