its only advantagous to carb through the Out post if you install one of those bubble wands first to diffuse the CO2.
gas dissolving into liquid is all about contact time and surface area. big bubbles of CO2 don't dissolve that much faster since they rise to the headspace within seconds.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10