I have developed a site for my client and now I'm thinking I made a real big mistake going with

Plugin is MarketPress
Theme is Twenty-Eleven

I just need to know how to export sku's...In other words as part of the order export, I need the order detail as far as the sku's ordered. I mistakenly assumed that was there. I know the info is in the database, obviously, but is there a way to export it. Help!

Help, or I have to redo the site using some other plugin...arhg!