180 is awesome as many have stated previously, but I think best all around performance is with the P140.........of course I only put the 140-180 performance slightly better than my trusty iron lungs from AMT!!!!! ;-)
As a longtime admirer of dinosaurs.... I couldn't resist.
Hell a P120 gives stellar performance and I only mention the 140 because it gives better acceleration from a dirty flyby than a P120.
Have fun fun with her and don't be afraid to move CG back.