So you have medium caliber pistols (9 mm) and centerfire rifles covered (although a P7PSP would be nice). But, you don't have any rimfires (e.g. 22 LR pistol or handgun), high powered handguns (e.g. .357 mag, 10 mm, .45 ACP), or shotguns.
Assume you have ~$500 to spend. Which gun or guns...