| I use them and I like them a lot. The G and D have that old fashioned soft, plonky pizz sound. A bit llike gut I imagine but don't quote me 'cos I've never tried real gut. The A and E are overwound with metal and I don't like them as much. They're great for slap and are very easy on the fingers.
Arco, they take some getting used to, but it can be done. I used to get nothing but squeals until I had some lessons and saw that my teacher could bow them OK. It helps to lightly abrade over the section between end-of-fingerboard and the bridge.
They used to be relatively cheap too, alas no more. Definitely worth a try if you like a soft sound and feel. | 
