The x10 formula doesn't work :) For things that really work, see: - http://www.mountaingoatsoftware.com/books/1-agile-estimating-and-planning http://www.mount

The x10 formula doesn't work :) For things that really work, see: - http://www.mountaingoatsoftware.com/books/1-agile-estimating-and-planning http://www.mountaingoatsoftware.com/books/1-agile-estimating... - http://www.mountaingoatsoftware.com/articles-estimating http://www.mountaingoatsoftware.com/articles-estimating - http://planningpoker.com/ http://planningpoker.com/ I use these together with mind-mapping and acunote.com to estimate my projects (and it works fairly well).