I don't know about "best", as that is purely subjective based on personal preferences, system synergy, etc...
My personal "best" is also the First Sound Presence Deluxe mkII. It outperfomed 5 other good preamps that I've had in my system over the last year or so.
My personal "best" is also the First Sound Presence Deluxe mkII. It outperfomed 5 other good preamps that I've had in my system over the last year or so.