my beer carbonates within 24 hours with no shaking required and an on average pressure of about 10 psi.
That being said, I have particularly noticed of late that the beer really still benefits from a 5 day conditioning period. I just kegged my Steam ber in the last two weeks and it dramatically changed in flavor and body during the first five days...
On Tap: Uncle Willie's Pale Ale; Kolsch
Bottled: Salvator Dopplebock
Up Next: Octoberfest