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Ok I'll do taht, thank you!

Panda is about so much more than the quality of one page. It is about the overall quality of your site. Regarding category pages, these are ok to have indexed. But, some sites have thousands and thousands of category pages in the index that will never get clicked on on a Google search. This can IMO be an indication of low quality for a site. I only want to have Google index pages that they are very likely to show to searchers. I don't think that anyone can really answer your question with certainty because again, Panda is about overall site quality, not one page.