That's definitely the way to go.
My friends Chris Maloney and Ric Bretschneider have both written blogs (They are both former PowerPoint Team Managers at MSFT)
http://ricbret.wordpress.com/2011/01/09/the-blur-trick/
The link in Ric's blog to Chris is broken try:
http://blogs.office.com/2012/03/26/p...-a-background/