Excel 2007 is very similar to Excel 2010. Both use the "ribbon" which was a major change to Excel from earlier versions. Below are some videos to help you learn Excel 2007 quickly! Click on the links to watch videos on YouTube.
Excel 2007 - Get up to Speed Fast
Excel 2007 - Overview
Excel 2007 - The Ribbon
Excel 2007 - Setup
Excel 2007 - Cells
Excel 2007 - Insert & Delete Rows and Columns
Excel 2007 - Creating Your First Spreadsheet
Excel 2007 - Use Simple Formulas to Do Math
Excel 2007 - Formulas
Excel 2007 - Create Charts
Excel 2007 - Create Gant Chart
Excel 2007 - Creating a Pivot Table
Excel 2007 - VLookup (Perfects for Teacheres)
Excel 2007 - Left, Mid and Find Function
Excel 2007 - Highlight Active Row
Exce; 2007 - Find and Replace Data
Excel 2007 - How to Sort Data
Excel 2007 - Filtering Data
There are hundreds of more video tutorials on YouTube teaching you how to do various things in Excel 2007. The links above are designed to help you learn the basics of Excel 2007 quickly!