If you like old time radio but don’t have broadband, you can get mp3 CDs of most everything from otrcat.com. If you do have broadband, check out knotted note radio (I’ve mentioned this site before, but it’s worth repeating). I’m fairly obsessed with Suspsense, The Whistler, and Michael Shayne at the moment.
Home computing and programming all started for me with the Atari 400 (1.79 mhz!), the first computer I ever owned. Here’s the guide to atari BASIC that I remember reading as a kid. Later on, at our under-funded public school, I remember working on TRS-80 Model III’s that we called “Trash 80s” for short (there was no love lost between me and the TRS-80). If you have a java-capable browser, you can try your hand at the TRS-80 through this online-emulator. You can also download an Atari 800 emulator (the 800 was the 400’s big brother, but the OS was the same).