Thank you, sir. I hope that someone can answer your question regarding the shifting taste.
Damn, now I can't be sure, but I am almost positive this was it. (I am not near my computer with beertools)
Light LME-7.5 lbs
Cara-pils .5 lbs
C-20 .5 lbs
Centennial .5oz 60 mins
Centennial .5oz 45 mins
Centennial .5oz 30 mins
Centennial .5oz 15 mins
Centennial .5oz flameout
Centennial 1 oz DH