Search:

+1 on the Atoma's.
I have 140, 400, 600 and 1200 grit plates.
All flat as a pancake!
That said, so are my 3 DMT's as well;)

The Naniwa and Norton lapping plates aren't all that, I agree with you..
Try a Shapton DGLP or a Atoma 400 and you will see what proper lapping can be like :)

But to the point then;
Yes, you...