I personally hook mine up at 30 psi for a day or two in the kegerator. No shaking. On day three I seal off the gas, purge the excess pressure, put it at serving pressure (10-12 psi), and dive in. Works great for me.
__________________ Primary: Black IPA Secondary: Bottled: Imperial IPA; Piloncillo/Orange Porter Kegged: Standard Bitter Ver. 4; Random Honey Pale; Cream Ale Ver. 4 Future: