Select eggs/sperm and make embryos at fertility clinic.
Ship them all off to Genomic Prediction.
After you get their simplified test results, call and ask for the full report that is compatible with 23andme.
Search snpedia for keywords like intelligence, retardation, educational attainment and cross reference their existence/non-existence with the 23andme text file.
Have fertility doctor implant the embryo of your choosing.
If you have/are a female, the price is dramatically cheaper. Otherwise its about $200k (all post-tax). Embryo creation $45k, surrogacy agency fee $30k, surrogate $70k, baby delivery $25k, embryo testing $6k.