I don’t think I would invest in a more expensive CF instrument, but this one will remain my daughter’s spare/outdoor cello as she progresses.
I tried L&C and MF carbon fiber violins and violas at various conventions over the years (NAMM mostly), and they do play very well although I found their tonal profile very different from that of wood instruments and I would likely need to find a different bow to get the results that I want. I think if I had to play performances where the environment was unpredictable and I couldn't use an electric, I'd spring for one of then.
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Discover the best of Violinist.com in these collections of editor Laurie Niles' exclusive interviews.

Violinist.com Interviews Volume 1, with introduction by Hilary Hahn

Violinist.com Interviews Volume 2, with introduction by Rachel Barton Pine