Well, it took me a bit longer than I would have liked, but I was able to finish the Spreadsheet Sandbox over the weekend. This is a tool that I'm excited to release and to let folks play around with. The Sandbox is a great tool to let you build your own amazing spreadsheets. It has a 1-button import of WoWuction data as well as couple handfuls of really cool functions that you're sure to find very useful. So give it a download here.
If you have any questions, you can tweet me or email me, but try having a look at the tutorial video first :)