Nice shots, nice typewriter. The camera quite obviously couldn't handle the dynamic range though (heavy purple fringing, high black level; it be said that scenes with shiny metal parts tend to be demanding, but this must be quite a small sensor), not to mention the so-so lens.
I think a classic SLR with some decent matching "glass" would go well with a typewriter obsession, stylistically - film and all. Not so sure about affordable macro lenses though, this really is an area where digicams with their generally smallish sensors tend to be more versatile...