The post discusses retro Apple Macintosh (Mac) computers, particularly focusing on the PowerPC-era models, their quirks, ongoing development efforts, and nostalgia surrounding early 2000s technology. Users share their experiences restoring and utilizing these older Macs, as well as the community efforts to keep certain Linux distributions alive for these systems. The challenges of outdated hardware with modern software, and the appeal of retro computing are highlighted. Users also express a sense of nostalgia for the era's technology and UI responsiveness, along with ongoing interests in collecting and restoring these Macs, such as the Power Mac G4 and SE/30.