I use some pretty decent amp stands for my B&W 804D3 speaks. Got them from AGon member Solidwood (Timbernation). With screw in cones came to $310. Had to drill them to secure but didn't take long.
Also, you could visit a Bed-Bath-and Beyond store and look at some big cutting boards.
Also, you could visit a Bed-Bath-and Beyond store and look at some big cutting boards.