Every month we get calls from clients selling or buying an old PowerMac G4. How much is it worth? Here is a website with the answer:

G4 Tower Value Guide

Enter the model of the G4; the amount of RAM; the hard drive size; and the type of CD/DVD drive. This site gives you a price estimate based on recent eBay and online market values.

From our experience the resulting value estimates are pretty realistic.

Source: This tip was one of the more popular items from our tips archive. Anyone know a similar site for G5’s or other models?