You will meet meet not just the dam and litter mates but perhaps the Sire and/or other closely related dogs - bros/sis from previous breeding, aunts,uncles, and they are also disease free.
AND they all have even temperaments.
BTW, for those that are interested, the OFA database is online and you can research the test results of Hips, heart, eyes.... for free.
Humans have televisions. Pointers have birdfeeders.