Holy cow that's terrible. What you end up collecting is really a very personal decision. You can focus on a time era, a specific architecture, an OS, a manufacturer. What are you interested in?
That's awesome. You've gotten a decent video steup running? That's always been the challenge for working with these sorts of platforms.
OMG openttd. See, I could see firing pu my Jornada JUST to play this. Muahahaha.