Finally knocked out the CWNA earlier this week. I really should have taken this years ago in place of the CWTS. I feel it would have been much more worth while years ago. Know I just wish the industry would shine a bit more light on the CWNP authority as certification.
I've found the CWNA Official Study to be an excellent resource, however working with wireless as much as I have over the years the CWNA is a very down to earth straight forward exam, definitely real world type questions in my own opinion.
I did a quick blog post:
CWNA Check! | CCIE or Null!