I've owned a Wadia 861b since 2002, yes 10 years. It has not had one problem and it gets an average of 8 hours of play per week I'd say. In fact, for the past several weeks I've been playing it 24/7 as I've been breaking in new amplifiers and power conditioners. Thing is built like a tank and I'll be shocked if it ever dies. Obviously it must at some point, but my Muse Model 10 (also 10 years old) has already been repaired twice and meanwhile the Wadia keeps on playing without issue.
Mark
Mark