In another life, I would have been interested, but I'm too busy with other stuff right now. I endured the pain of ArcGIS for a few years in my last job. I don'

In another life, I would have been interested, but I'm too busy with other stuff right now. I endured the pain of ArcGIS for a few years in my last job. I don't know what specific problems you are looking to address first, but have a good read of the ESRI forums. They are a treasure trove of business ideas. You might also be able to get your first users there by solving their ArcGIS problems.