I love to fine useful bits of knowledge, especially when they are free. Check this page out for some free MS Office Excel 2010 training videos.
http://office.microsoft.com/en-us/excel/excel-skills-builderlearn-how-to-create-spreadsheets-and-workbooks-use-formulas-and-perform-data-analysis-FX102592909.aspx?WT.mc_id=eml_enus_RM-ExcelSkillsBuilder_GetFreeButton
I hope you enjoy it!