My px4 storm is the compact version in .40 s&w. I like it and would recommend it.
Its accurate, for a novice shooter such as myself. It is also a breeze to take down and clean.
One negative was that mine had a few problems cycling the steel cased ammo, if the gun wasn't really clean. If it is clean and lubed up, it should cycle and fire the cheaper ammo with little to no trouble.
I've put over 1000 rounds through mine and haven't ever had any problem with brass, regardless of how recently I had cleaned it.