I think a good Tag Wiki should cover the following topics :
The technical definition and a basic overview.
Why was the technology/technique/product needed, who developed it, when was it created.
A detailed description covering the various facets of the technique/technology.
Applications / Application ...
You get the privilege to approve tag wiki edits at 1500 reputation. You get the privilege to edit tag wikis without supervision at 4000 reputation.
When you use “Improve” on a suggested edit, your version takes effect immediately without further review. If you have between 1500 and 4000 reputation, you can only approve or reject an edit, you cannot submit ...
The tags which appear in the see also field are the tags which are synonyms of the actual tag.
If you hover over your name in the top panel, you will see an expanded scorecard. On the top of the scorecard you will see Privileges. Clicking on it will take you to the complete list of privileges with the privileges that you have on the site clearly ...
While I agree with the overall idea, I wouldn't exactly "waste" (hope you forgive the strong word) 20-30% of vertical screen estate to highlighting the tag wikis. Instead I would go with the top-X (e.g. X == 10) from the popular tags tab nicely in a single line, no bigger than they appear under a question.
The reason this still should work, is because the ...