Brad,
Based on your purchase History, you are eligible for discounted upgrade price of $149.99 for Data Bridge and $39.99 Design Extender, but you will need to email the sales department at sales@webassist.com to receive the upgrade price.
We have found that most of the stand alone extensions do work in CS6 on Windows, most of the CS6 issues we have found are actually due to a Dreamweaver Bug on Mac OS that we have reported to Adobe.