External hand mic for KX2

[Steve-KI4EZL]

I want to purchase the best hand mic for my new KX2.  I have the Heil Pro Set which are headphones and a boom mic, but I also want a hand mic.  The Heil HMM iC will work and the Elecraft MH3 will work, but which one is the best?

Thanks,

Steve - KI4EZL