Details and specifics are important, but if you're just looking for entertainment it hard to beat:
http://ecomodder.com/forum/showthrea...ion-22468.html
30K feet? Read all the stickies.
When your in a forum listing, the [Rating/Thread/Last Post/Replies/Views] Column headers are clickable.
Click, ferinstance, in Aerodynamics on Views and you'll see the most viewed non-sticky thread is: "5th generation civic hatchback - improving aerodynamics (12-14-2007)" and you will see it's been viewed 437,176 times.
Click on Replies and see that "Aerocivic - how to drop your Cd from 0.31 to 0.17 (12-12-2007)" had 571 individual comments.
As you peruse threads follow up when people post link to other threads that they found helpful.