A poster named Simple did a review of the C1 a while back where he compared the two. He preferred the C1, but it could be just a case of "new-speaker-titus". Link is below. Technically, the C1 is a better speaker, being time-aligned and all, but it all depends on tastes and your listening room.
Confidence C1 review
Sincerely,
Mal (owns the C1s)
Confidence C1 review
Sincerely,
Mal (owns the C1s)