Good tip Rick!

A few years ago Chris Daman wrote a series of blog posts that your readers may also find useful:
1) The magical ESTIMATE (and CONTRAST) statements - http://blogs.sas.com/content/sastraining/2012/04/23/the-magical-estimate-and-contrast-statements/
2) "Easy button" for ESTIMATE statements - http://blogs.sas.com/content/sastraining/2012/04/25/easy-button-for-estimate-statements/
3) ESTIMATE Statements - the final installment - http://blogs.sas.com/content/sastraining/2012/05/02/estimate-statements-the-final-installment/