Thomas Brand: The PowerBook G3 Series was Apple’s most upgradable portable computer ever! It weighed 7.8 pounds, and cost anywhere between $2,299 to $7,000 fully loaded. Codenamed “Wallstreet” the PowerBook G3 Series was the second line of Macintosh portable computers to include a PowerPC G3 processor, and the oldest portable Macintosh capable of running Mac … Continue reading The Most Upgradable Portable Mac Ever