I like stars. Good idea and it was suggested before.

I wrote about this a couple of months ago here:
http://www.boonex.com/unity/blog/entry/Unity_Community_Suggestion_Just_a_Random_Thought

Some good comments there too. Take what you can from it.

I'm fine with the neg votes but would like to know why sometimes. For example, a few of my tutorials got neg votes along with my book and it got me wondering why. No big deal I figure. Everyone is allowed their own opinion.