A few months ago there was a list of links to classic video game emulators posted. Very recently, I'm pleased to report, those links all came true. The Internet Archive bespoke upon aforementioned consoles, computers, and mileposts on our way to the tech utopia of today, (seriously, where's my flying car?) and they asked us to do something: Imagine every computer that ever existed, literally, in your browser. And it was so. I have absolutely no affiliation with jscott, btw. Thought I should disclose that.
Learn how to operate the world's first fully electronic digital computer in this helpful instructional video. No, not ENIAC - the Atanasoff Berry Computer. Here's an operator's manual. More information about the reconstruction.
The Red Hill Guide is an amazingly detailed and well-written compendium of desktop hardware old and new, with a focus on PC and x86 compatibles. Look for your first CPU, hard drive or mainboard.
Twenty years of Macintosh - a well done retrospect about the Apple Macintosh presented in a series of posters, annotated with excellent topical links for further reading.
Computer Networks: The Heralds of Resource Sharing (Google video) A fascinating 30 minute documentary about ARPAnet - the precursor to today's Internet. (Can you spot the real ubernerd mover and shaker at BBN? Hint: He wears no tie!) (via: all over the place)
www.computerhistory.org is the virtual incarnation of computer historian and collector Michael Williams' phat-ass computer museum. My favourite, BTW, is the timeline, searchable by year or topic. What technological milestones occured in the year of your birth?