What network devices are you already using?
(manufacturer names and model numbers of your wireless router, WAP, hub, etc.)
I have a wireless network setup in the upstairs office. I have a Mac G4 in the downstairs office. The Mac is not wirless enabled, and my signal doesn't really reach down there. Is it better to get a signal booster & configure the G4 for wireless or can I just get another wireless hub and connect the G4 to the ethernet plug in back of the hub?