Mac OS X Server does not do print serving (unless they fixed it in 1.2). The LPD is broken. Also, since it's a UNIX print queue, it wouldn't show up in chooser. The file services are OK. A bit slower than ASIP, but still good. You must use an HFS+ volume for file services and you must use a web browser to admin.
As for backup solutions, you have UNIX tar command and OmniBackup (www.omnigroup.com)