I recently came back to playing my Druid after a long break and I really like all the changes that have been made.
I was told in a 5 man Forge Of Souls that I should never pick Force Of Nature and to always choose Incarnation, no matter what or why.
I told this person that I found the ability useful for my needs and what does it matter while leveling anyway? I thought the whole idea with the new talent system is that there really wasn't a "wrong" choice.
Why did I find it useful? I liked the ability to control agro a bit more/run interference. I like to choose abilities and glyphs that help me control /position mobs easier. I just feel more confident in doing it this way. It had no bad effects on my tanking or group.
Do any of you choose Force Of Nature as a Tank while leveling , 5 mans or later?