There are the following catagories:
1. own it
2. had it
3. want it
4. what about another catagory to note problem items? Suggesting that the reader check the forums or do more research?
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This is where tagging and the product wiki come in really handy. Because you can tag certain threads with the specific product tag, that thread will then appear on the product page in the related content section (i.e. the "What People are Saying" section). Here's a full tutorial on tagging: http://greenhome.huddler.com/wiki/tagging-tutorial
You can also very easily edit the product wiki to list any relevant links or other info you think it important but doesn't necessarily belong in a review or in the product description section.