Possibility of browsing into existing articles, in order to easily select the one we want to link to, from one specific location (marker).
I would even suggest to integrate it with Flexicontent, as I'm working with both components (Hotspots & Flexicontent) in a project, and if they were really integrated it would be awesome, they would supply so powerfull and extremely flexible possibilities in any project involving geo-localitzation (real states, rural turism, government sites, etc...)