Readers are reminiscing about a classic 2003 DIY project that built a fully functional dual-boot PC inside a Windows XP retail box. The discussion highlights a shared nostalgia for early 2000s PC modding culture and the rich, text-based web design of that era. Additionally, commenters reflect on the evolution of PC hardware by comparing the vintage Mini-ITX form factor to the more practical and widely used MicroATX standard today.