Good to see you here, Dave. I suggest that you just write something and post it. I have this little prayer on my wall in front of my desk: Oh, Great Creator, I will provide the quantity, you will provide the quality.
That's what I go by. I start with an idea and just start typing. Before I know it, I'm deep in a writing trance and I've got a thousand words going. Of course, I've sent the censor to the local bar, but I still manage to get something like an article in about 20 minutes. Then I edit. Then I post after a few passes.
You never know what you have to offer until you summon the power of the Great Creator. :)