You can use nautilus for file management, using sftp, just setup openssh server, on the server, and access it from any other desktop system on your local network.
Have a look at the openssh-server howto here.
Once you have ssh set up, just open nautilus, press Ctrl-t to open an other tab, then press Ctrl-l to open the location bar and type:
Note: This presupposes that you have aliased the server ip address to the server name in /etc/hosts eg:
Likely and willy are my two file servers.