I got me qa gravity detector - If I drop an apple, and iit falls to teh ground, yep. there's gravity.
all kidding aside, gravity is faster than light.
http://www.metaresearch.org/cosmology/speed_of_gravity.asp
http://www.metaresearch.org/cosmology/gravity/speed_limit.asp
http://www.metaresearch.org/home/Viewpoint/Kopeikin.asp
http://www.metaresearch.org/media%20and%20links/press.asp
Know its been over a week since you posted this, but I'll bite. How is gravity faster than light?