What's the best, most active 3D printing forum out there?

What’s the best, most active 3D printing forum out there? The kind of forum that has the most makers on it that can answer the questions for a newbie coming into 3D printing.

http://forums.reprap.org Forums are old school using Google is as good or even better

reprap channel on freenode IRC is (sometimes) very helpful.

Thank you guys! Reprap seems like the winner…