I've actually played the black one when Phil came to London recently, plays like the ajagak of course but the tama was more slick rather than rubber paint. Certainly more durable.
people have supposedly tried it, and also in the picture it has a wood colored string hole. I thought that it was photo shopped, or grey-scaled, but now i am not so sure.
I just shit my pants a little. Edit: I looked again...shit my pants a lot this time. Edit#2: Got fired for shitting my pants at work.