Your questions have already been answered. Please go read the thread once more.
The accuracy question was one of the early ones answered. You will find the answers around post #112
And if you go back and read post #199
again, you'll see that the IC6 has nothing to do with the 106B and 1010B.
FWIW, my 1010B has worked very well for me, and IMHO Junsis continued support to the user community has been nothing but impressive.