Personally, I think the Inika are some pretty cool sets.
*Puts on teacher's hat.* Remember class, a Kanohi is a mask, not the head that's underneath the mask.
Also, I agree that the heads really stand out on some of the Toa, like Matoro, for example. Lime-green on a white Toa? But, I'm probably one of the few, if there are others at all, that thinks the blobs themselves are awesome pieces. I don't know why, but I just like the mixture of lime and white (which is quite ironic, as I said that the piece doesn't look good on a white Toa), and you can use them for a lot of stuff, like shoulder armor or bug eyes. Of course, I don't have an Inika myself, so I didn't experience them first hand...yet.