The extension landing page has this about supper suite:
Our complete collection of Dreamweaver extensions.
* Unlimited site usage
* Use on two machines
* Generous upgrade discounts
* 15 Day Refund Guarantee
the supper suite landing page say this about Upgrades:
Generous Upgrade Discounts
If we add a new product to Super Suite or release a new version of a product you own, we will provide you with deeply discounted upgrade pricing.
Nowhere does it say that Upgrades will be made available for free.
We do however offer updates for free.