Have you ever think about comment and customer care in product page
Mean that:
when customer comment into a product
The staff can see and reply them intermediately
This is very first version.
Full source code can download link bellow.
I will try to make this idea better.
Hope you guys have fun and develop your own or contribute your ideas.
Thanks for your reading.
http://badpaybad.info/blog-130/widget-product-comments-with-customer-care-in-admin-mode