I completed the attestation process on 10/26. It took me a couple of days, but only because of confusing instructions from CMS itself. If not for AC's Meaningful Use Wizard it would have been impossible. AC (Version 6.0.9) made it almost pleasant- really.
Once I figured out the key it went very quickly.
Here it is- in the Menu Items section you are asked to choose "up to 5" categories. The secret is- you need to choose EXACTLY 5- no more and no fewer.
My advice- go for it.
