First, my apologies for the delay in getting updated versions released. If you need something quickly, please feel free to email or leave a comment here.
Version 0.6 will be released soon (not until after MileHiCon this weekend, though). It will feature a new simplified pushbutton interface to get you started if you just need the basics (adding sales data, getting information about a specific title, seeing sales info as a graph, etc).
It will look something like this:
There’s a slightly larger version on this website’s front page.