2 is not a crowd
...and 3 is just simply heaven

Change Jobs on the main screen and the Break Out keeps every view in perfect sync. Now you're really productive.

Main Screen
Keep your Estimate on the main screen and change Estimates at will without worrying about the other screen.
Second Screen
Sync almost anything. Dock the Images, Emails, Notes, Tasks or scanned Documents. Change the Estimate on the main screen and the Breakout will stay in sync for the new Estimate.