Checks the version of all my portable apps, and tells me which ones have updates available. Perhaps links to the download pages, or maybe an update scheduler?
This would save a lot of time digging around on the site, to find if there are newer versions.
This is coming built in to the 2.0 Platform shortly. It's an updater that checks all your portable apps and will download and install new releases as they come out.
Sometimes, the impossible can become possible, if you're awesome!