Back in 2006, Apple unveiled the replacement for one of the longest-running family of computers in its history: the PowerBook.
Powered by a G4 processor at that point, the PowerBooks were growing stale, as faster G4s — and G5s — were too hot to run in its thin case. Many believe that the PowerBook prompted Apple to switch to Intel in the first place.
Like the Intel iMac, the first MacBook Pros looked the same as its PowerPC-powered ancestor. Here’s Steve Jobs, introducing the machine at Macworld 2006: