Several phono stages do balanced in. Ayre, Aesthetix Io, BAT are a few. I have a BAT VK P10SE super pak and have tried it with a din to rca and a din to XLR. The XLR input lowers the noise floor some and details pop out a little more.
I think it really depends on the rest of your system whether this is way the way to go...
I think it really depends on the rest of your system whether this is way the way to go...