A codec with limited support and a non-free license? Pass.
IMO, the best options for lossless sound are LPCM and FLAC for Stereo or Mono (including Dual Mono, but why does that exist?) and DTS HD MA for surround sound. If only the official DTS HD MA encoder wasn't so expensive. It's almost like DTS wants to criminalize underage audiophiles. Of course, I wouldn't need to support DTS HD MA if FLAC had standardized surround sound support.