Monks and Improved Natural Attack

[Caliber]

Question is pretty simple ... can Monks take Improved Natural Attack from the MM? The Monk class description says their unarmed attacks count as natural or manufactured weapons (whichever is more advantageous) so I think yes. Any reason for a no?

 

[pbd]

Been there done that.

From last week: http://www.enworld.org/showthread.php?t=141763

 

[Caliber]

Thanks very much for such a prompt response!