1: No

2: Helpful

3: Hmm.. if more than one, very few.. How about "Useful", "Funny", "Very Flyertalk"


4: No.

5: Visible only to mods


6: Yes.. Only logged in users

7: trip reports is the prime target.. would then target "Buzz"

Extra points: Make it searchable.. So I can search for most "liked" posts on blah..

I applaud this move.. Very web2.0.. I have often wanted to high 5 a poster for a great post..