I'm planning on brewing this one up as my next beer. My LHBS only sells the 3.3 lb cans of extract so I was doing a little tinkering on Beercalculus to make sure things wouldn't get too out of whack if I used 6.6 lbs of LME instead of just 6. Looks fine, just a little more ABV, but while I was messing around I noticed that the IBU's that were calculated, were done so using a full 5-gal. boil. When I changed it to a 2-gal. boil the IBU's dropped way down. I had one member on the site tell me that the more concentrated wort yields less alpha acid attenuation. It looks like the software used here takes the 2 gal. boil into account for the final IBU's (20.6), but for this, and future recipes, I want to make sure that I get all the hop action that I think I am. So, any advice or info concerning this issue is greatly appreciated. I'll probably post a thread on the beginners forum as well, but since this beer sounds so good, I wanted to check in here as well. Really looking forward to this beer and want to make sure I get it right. Thanks.