Being able to preview forum post before saving/posting them would be a nice feature :) 

If you select the Preview tab at the top of the post editor, you should get what you're looking for.

Mike Banavige
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Dont forget to click "Mark as Answer" on the post that helped you.
This credits that member, earns you a point and marks your thread as Resolved so we will all know you have been helped.

Oh, totally missed that one!  Thanks you!