I can see it both ways. Particularly if it's an editor's review, I like to know what they conclude up front. The pros and cons summarizes the product; highlighting the key points. Generally if I'm interested in the product I'll read the details after.
Anyway, unless you've modified the templates, you can easily move the review text up by moving (in showproducts.tmpl):
Code:
Content visible to verified customers only.
Right under this "Table" tag below:
Code:
Content visible to verified customers only.
