I chose the Kaces case because of input from what others were using and especially because of the dimensions.

I imagine that Yamaha case is nice, but look at the size of this sucker!

YBTYROS:

Interior 50x15.5x5.25
Exterior 54.5x18x7.5
Weight about 18 lbs

Kaces Porter III KKP-9KB

Interior 44.5x17x6.5
Exterior 48x19x9
Weight 17 lbs.

Scott