http://www.usingomnifocus.com/
This is a great resource of links to a variety of OmniFocus workflows. The eBook is an A+ resource that is worth every penny. The author explores different workflows so that you can get an idea of what you want in a workflow.
OmniFocus' flexibility is also its shortcoming. It allows you to create your own workflow. But you'll tweak it over time to finally fit what you want.
Here are some other blog posts:
http://www.asianefficiency.com/omnifocus/
http://robmalanowski.com/?s=omnifocus
http://www.practicallyefficient.com/...ing-omnifocus/
http://simplicityisbliss.com/tagged/omnifocus
http://www.macworld.com/article/1167...c.twt_macworld
Use the Weekly Review consistently
Personally, the feature that brought me back to OmniFocus is the Weekly Review. The default review interval is one week but that can be changed in the Preferences screen. When you create a new project, set the project interval to your liking (if it is different from the default setting). Some projects can be reviewed on a monthly or quarterly basis. I'll change the projects to review once a month or once every three months.
Every day, I click on my review perspective and look at projects that i need to review within the next 3 days. I click "Mark Reviewed" and it will forward the review to the next allotted review date.
By breaking the weekly review into 5-10 minutes a day, it saves me from having to spend a whole Sunday afternoon doing my weekly review. Of course, I'll do a review at the end of the month that will encompass every project for me to track.
I think the iPad's review screen is beautiful and I'm impatiently waiting for that review to be brought into OmniFocus for Mac.
Learn to use project status. Set projects to inactive if it is something that you won't be working on this week. These inactive projects will be your Someday/Maybe projects.
On Sunday afternoon, I'll take a look at my inactive projects and see if there is any project that is tickling at me to start in the upcoming week. I'll also look at my active projects and see if I can set them back to inactive. I'd do this for projects that I think have stalled or I lost interest in until a later date.
I don't worry about my inactive projects because I know I'll see them when the review date comes. Otherwise I don't need to see them on a daily/weekly basis.
Learn how to use perspectives. This will be an important skill and will vastly improve your workflow. Create a different perspective for different parts of your life. Put the most common perspectives in the toolbar for easy access.
I'll have a perspective for Christmas projects, a perspective for my Summer 2012 projects, a perspective for "The Boss' Important Stuff", a Today perspective, and a Next Action perspective.
Create your own "Today" perspective. Mine is set like this:
Context filter: Active
Grouping: Context
Sorting: Due
Availability Filter: Available
Status Filter: Due or Flagged
Estimated Time Filter: Any
This "Today" perspective is the first perspective I look at and try to stay on. Anything that has a due date or flagged. I like to flag any Next Actions or projects as something that I would like to really work on today or in the next 7 days. I'll flag and unflag my projects on a weekly basis.
This Today perspective lets me focus first on all the due tasks (stuff I need to get done by this week) or flagged tasks (not urgent but important for me).
After I have looked at the Today perspective and accomplished as much as I could on the Today view, I'll go to another perspective I created called "Next Actions"
Context Filter: Active
Grouping: Context
Sorting: Due
Availability Filter: Available
Status Filter: Any Status
Estimated Time Filter: Any Duration
This shows all the available actions from my Active projects. All my Someday/Maybe projects are set to "on hold" status and they will not be shown in this perspective.
The Next Actions perspective is sorted by context to allow me to view available tasks based on context.
Learn about using Omni's Sync server. It allows me to seamlessly sync my projects/tasks between Macs (my home Mac and my work Mac), my iDevices (an iPad and an iPod touch). As long as I have a network connection, I can sync my tasks easily.
https://www.omnigroup.com/sync/
Try out a different theme
You can Google for OmniFocus theme to change the bland built-in theme for OmniFocus. One place to look at is:
http://ofthemes.com/
I think there is a theme inspired by "Things" that can resemble Things' look for you.
I actually took some of the elements from the Asian Efficiency theme and the Nightlion 4 theme and combined it to make my own theme.
https://www.box.com/s/mzblucsba8ezv9x5shqd
The original NightLion theme is here:
http://www.nightlion.net/themes/2011...yled-for-lion/
I use colors to indicate status. Any tasks in green are available next actions. Any actions in yellow indicates a task that will be due soon. Any tasks in red are due or overdue. Any tasks that are gray are actions that are not available (the start date is set in the future or you must complete the previous actions in a project before getting to the grayed-out actions.
After a while, you can play with your own color schemes. But try out the wide variety of OmniFocus themes out there first. If someone else did the work for you, why not use it? :-)