As an entertainer, a 24-inch monitor would be an utter disaster. Many audiences already tend to believe that an arranger keyboard player is nothing more than a glorified Karaoke player, and some don't believe that we are singing. The less that obscures you from the audience, the better!
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)