Search:

How does it shave? That is, after all, the test that really matters. :)

If you have not yet done so, I'd recommend reading some of the articles in the wiki here:

http://straightrazorpalace.com/srpwiki/index.php/Category:Honing

And then search out the numerous...

That depends on what has come before. If your bevel isn't set properly, more work on the 12k won't get you where you want to be.