Possible Clues:

• One who aims for perfection, may be unrealistic
• Romantic bit of business is contained in it
• Perfectionist
• He may not be practical in laying the notion on the table
• Romantic notion precedes tip
• Visionary inventor's notes?
• One wood first used by castle-builder?
• Boxer that is outwardly a dreamer
• One has high hopes having sorted contents of suggestions box?
• Impractical person is absorbed by silly detail