I don't use fretless enough to justify the cost of an Alembic, but I have been using it a fair amount with the project I'm TRYING to form. I have a bolt-on Schecter Deluxe-4 (strung with DR Hi Beam flats) which actually sounds very good (after spending a BUNCH of time on the set-up). I decided I needed a B string, so I just ordered a Schecter Stilleto Studio-5 fretless (35 Neck-through with Maple/Walnut, Rosewood FB, Mahogany body, Bubinga top, EMG PUPs/preamp). The fretted version sounds nice and plays well, so I'm hopeful about the fretless. In order to get myself used to correct intonation, I plan on using it for all the fretless songs (of course) and everything that needs a B string: the Carvin LB76 will be going back in the closet. My SC has become my main bass for everything else (the Series I was breaking my back!!!).