might be useful for IT/computing lessons:
you can legally download episodes of an american computing show called "computer chronicles". some of the episodes are like 20 years old!
e.g. this one
Intel 386 - The Fast Lane
A review of the new Intel 386 chip and the new super-fast computers and applications that take advantage of its speed.Guests: Dana Krelle, Intel; Michael Swavely, Compaq; Robert Dilworth, Zenith; Neil Colvin, Phoenix Technologies; Jan Lewis, Palo Alto Research GroupProducts/Demos: Compaq Deskpro 386, Intel 80386 Microprocessor, Zenith Z-386, VP/ix, UNIX 386