It depends on what you're looking for in the IBU's as to when you start adding hops. You already know what 2-row tastes like, now you'll get a feel for what Amarillo tastes like, smells like, etc. hop however you want. I don't think you can go wrong.
Carboy 1: RJS Grand Cru Intl California Syrah
Carboy 2: Sauvignon Blanc
Carboy 3: Air
Better Bottle: Apple wine
Growlers: Blueberry Wine & Mixed Wine
Keg 1: C-Hop Cream Ale(left tap)
Keg 2: Black IPA (right tap)
Keg 3: Oktoberfest (lagering)
Keg 4: Mixed wine for sparkling!
Bottles: Hard Cider, ESB, PAL
In the Works: Kate the Great
Favorite Recipe #1: Kate the Great Clone
Favorite Recipe #2: Crop Chopper PAL
Favorite Recipe #3: Curieux Clone