New answers tagged feedback
In both the cases, I would autofocus the first field and put the cursor at the end. Autofocusing a field gives the users an indication and a starting point to quickly begin correcting their errors while at the same time it doesn't force them to start with that specific field. It also affords you the freedom to provide some more details about the error ...
put in a "be the first to rate this product"-indicator and/or mark it as "unrated". I, personally, like to see the ratio - like youtube, amazon and others do. Either minimalistically by giving the number of total votes or by showing how many voted for what (thumbs up/down or 1-star, 2-star, ..).
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