Cheap Mac Books on E-bay?

Question

I recently tryed my friends macbook and i love it but before i dish out major money for a new one i want to make sure it can do everything i want. I was looking on ebay for a used one and they're some on there for as little as 5 bucks!! Now my question to you is is it legit or is it a scam... i know things that seems to good to be true generally are but im not so sure on this let me know what you think

http://cgi.ebay.com/Powerbook-G4-12-1-33-GHZ-256MB-40GB-BT-WiFi-Combo_W0QQitemZ260268026016QQihZ016QQcategoryZ111422QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

http://cgi.ebay.com/Powerbook-G4-Aluminum-15-1-33Mhz-512Mb-Ram-80Gb-hdd_W0QQitemZ170244689326QQihZ007QQcategoryZ111422QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Answer 1

Theres a ton of time left on those auctions you linked (they usually boost up in the last day/hours). The buyers feedback is good to take a look at if you buy anything off ebay.