Springfield-Armory XDM 3.8" compact in 9mm. It's in 9mm, is smaller than your 5" PPQ, can have a compact grip with the 13 round magazine, and can have a longer grip (that you said you prefer) with the full 19 round magazine (which is nice for a home defense pistol), and it has a grip safety. It does not have a regular safety lever, but the grip safety is another level of protection. It is solid, and very accurate.
The only knock on them IMO is the factory trigger. They are kind of "mushy" from the factory, but Spring-Armory's custom shop (from their factory) offer trigger jobs on them. Also, Springer Precision and Powder River Precision both sell and install their trigger kits for them. I really like the ones I own, and they have been totally reliable with a variety of ammo. I use one for home defense and it has never let me down. I just wanted to throw out another option for you to consider.
The grip safety is a love or hate thing. I don't mind them one bit, especially for a home defense pistol, and I have thousands of rounds through my XDMs without any issues from the grip safeties. They are also easy to field strip, and they don't require one to pull the trigger before breaking them down. I always thought that was a nice feature on them.
I would have said to get a 4" PPQ M1 in 9mm, which is smaller than your 5" PPQ. But, I thought that you wouldn't want that response from your original post. So I offered you a different suggestion, but you can't go wrong with a 4" PPQ M1.
