Games are archived at superdupergames.org but it looks like there's currently a bug in the server.
Cool! Thanks. I had no idea that they saved them.
You should watch Homeworlds Theater, if you haven't already.
The Emperor and Dr. Cool play games and talk about stuff. A great watch, to be sure.
I really wish they would do a Binary Homeworlds tutorial video.
A tutorial video, like this one, perhaps?
I asked about the same thing, and I heard from a little birdie :: coughtwittercough :: that a Youtube tutorial series is possibly in the works.
Probably the best place to find them is on superdupergames itself.
There's also this exhibition game: