Personally speaking I am no big fan of MS tools but I do use them to ease my day and it helps. I am no guru either and there are hundreds of resources out there that the true fans of Billy boy might have in store for you. I enjoy sharing and thats what I am going to do here. Share the excel tip files that a few generous and kind people have created to help people like us. Thanks to their efforts.
Note: If you have a smaller budget and cannot use MS products then you should not bother and use Open Office. Its neat and compatible with some MS file extensions as well. I have tried it and you should too, infact teach your children to use the community, and help it grow as well.