I don't shop for my wife... She shows me what she's bought, after she's bought it. She knows I won't care though as she can carry only one, and that leaves the rest for me to take to the range. Her latest ones have been G30's, which sucked, and were sold (even after heavy custom work), and she...
If this is a carry pistol, your dad needs something that he can count on every day to go boom. With this, I would say to go Hk, or Sig. Look at the USP series in the compact. If you don't like the grip (which some don't), look at the P30's.