Quote Originally Posted by Sylve View Post
The only thing you might otherwise do without GB or WM on is Auto Attack. But Autos are weak and a flat 20% damage buff to every shot you use more than makes up for it
http://www.reddit.com/r/ffxiv/commen...nly_gb_opener/

Or, more concisely:
Quote Originally Posted by That Thread
1st Parse was done using solely GB and never turning it off.

http://imgur.com/gallery/8RusITo/new

2nd Parse and the rotation which I use for dungeons was done with a GB opener but then disabled after the 1st Clean Shot. I only ever went back to GB was when Rapid Fire was up and it was use to burst into a Wildfire then toggle back off after the duration.

http://imgur.com/eyP814t
Note the second does about 10% more DPS than the first.