I am running Photoshop 10 on a macbook, with an nfs mount to a very large raid array running Linux. I have all my pictures on the Raid array for storage. Photoshop Elements will open the file on NFS monted volume, but will not write the results to the nfs mounted volume. I have to save to the local drive and copy the file back to nfs mounted volume. This is very time consuming and frustrating.