I would be interested in a copy of that Excel sheet as well, but the email function is not working for me, and I can not private message you. Can you post the file here?
Ok guys here it is. Please note that it is not finished yet but should be able to take care of most of your number crunching. It only supports Imperial measurements at the moment, I plan on adding metric support and some other features after the Excel book I ordered finally gets here and I wrap up some other projects. Comments and constructive criticism welcome.