You already could. The predictive power of the existing PGSes isn't too bad as it is; this improves it, but you could already steer the eye/hair color with cons

You already could. The predictive power of the existing PGSes isn't too bad as it is; this improves it, but you could already steer the eye/hair color with considerable accuracy. The real problem is finding a service like GenPred which will do the embryo biopsies and can get out a usable genotype you can run said scores on.