Which is the BEST Brush - Princeton Aqua Elite or Neptune?

Princeton Aqua Elite Quill 6 - MICA Store

Princeton™ Aqua Elite™ Series 4850 Synthetic Kolinsky 3 Piece Brush Set

Princeton Aqua Elite Stroke 3/4 - MICA Store

Aqua Elite Synthetic Sable Round 4 4850 – Posner's Art Store

Princeton Artist Brush Co. Aqua Elite Professional Watercolor Paint Brushes 4850 Series - 4pc Synthetic Kolinsky Sable Watercolor Brush Set - Watercolor or Gouache Brushes - Artist Paint Brushes

Princeton Art & Brush Co Aqua Elite Synthetic Kolinksy Travel Round, 6

Princeton Brush Elite Professional 4 Brush Set

Princeton AquaElite Mottler 1-1/2 - The Art Store/Commercial Art Supply

Princeton Aqua Elite Series 4850 Synthetic Brush - Dagger Striper, Size 3/8

Princeton 4850 Aqua Elite Synthetic Kolinsky Sable Brush Mottler 1-1/2