There is a new weather app, cloud storage and photo management service to try every week, but the Total Cost of Ownership assessment needs to include other criteria than "freshness" and even price.

Tim Stringer from LearnOmniFocus has a good overview of the most important changes and new features introduced in OmniFocus 2.1 for Mac.

In essence 2.1 exploits the new possibilities of Yosemite with a 'Today' widget, sharing extensions and also aligns to its UI design paradigm.