Sounds like I have you all beat so far anyway. My first computer was a Leading Edge 8088 IBM compatible, no hard drive just had two 5 1/4 in. 360k floppy drives and a monochrome monitor.
Congratulations to you and your wife. Be as much a part of his life as you can and enjoy him while you can. He will thank you for it when he gets older. They grow up fast and he will be gone before you know it.