> I have defined florida state tax as United states: florida at 6%, but I do
> not see it showing up in the cart when logged in as a florida resident.
> Have I missed something?
Make sure you have your new taxed highlighted in Modify product -> Apply taxes list box. After you added tax to the store, it is listed there but you have to highlight it and save the product to make it taxable for that tax. You can do mass modification using Modify selected button in Modify product menu. Do not forget to backup your database before any mass update or import.