Go get the fresh release of SmartNSF to OpenNTF.org, give it a go a let us know what you think! Changelog is available in the wiki as is the documentation.

We've decided to rename strategies to make the names shorter, yet still descriptive enough. We've basically removed all SELECT_ and ALL_ parts of the names. For example SELECT_ALL_DOCUMENTS_FROM_VIEW is from now on DOCUMENTS_FROM_VIEW. Extending the life of your keyboard is just a positive side effect of this change.

Csaba Kiss has published blogpost http://xpagexplorer.org/domino-rest-performance-analysis/ about his findings regarding performance of various REST technologies available on Domino now.

You may already have 9.0.1FP5 or better FP5IF1 already installed. If Designer is part of your installation, chances are all your plugins in DDE got disabled. I mean the plugins you have installed to DDE, such as newer version of Extension Library or OpenNTF Domino API.