The Omni Group has released OmniOutliner 3.8, along with freeware versions of several existing applications including OmniWeb, OmniDazzle, OmniDiskSweeper and OmniObjectMeter. The OmniOutliner update adds a quick-look preview of files that are attached or linked to documents. The preview can be accessed by clicking on the attachment and pushing the space bar. Support for Keynote files has been imp
