Ian, I'm familiar with the concertos in L'Estro Armonico, but wasn't aware of the Dantone disc. From the Amazon samples however, I can appreciate your enthusiasm.

Since you like those concertos, which are second in popularity of Vivaldi's compositions to only The Four Seasons, you probably enjoy those as well and already have them. In any case I'll suggest my favorite Four Seasons, by Gil Shaham , for consideration.

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Enjoy the music, not the equipment.