Quadcopter with arduino

Hi,

I want to build a quadcopter with arduino and I am building the code using complimentary filter but now it's time to buy parts and I am not sure if the parts I have can be mixed together to make this quadrcopter work.

Do you know any forum of quadcopters that is well visited and could help me? I looked in Google but could not find it.

Thank you.

You already have a quadcopter thread going here

No , but what about this

or,
the Bluecopter

JimboZA:
You already have a quadcopter thread going here

So we can close here.