Hey Joel -
Looking through the recent intros, you seem to be one of a few real people who are posting here.
Don't know where you are in the process, but it's hard to go wrong with JavaScript and jQuery. Here's a great page on how to jump on that: http://javascriptissexy.com/how-to-learn-javascript-properly/
Also, how is the grocery delivery service going? Do you have any potential clients? Would it be worth hiring a developer on odesk?