I enjoy a 8" Lapco Bigshot with a .676 sizer--basically a 9" barrel-- on my T2. It's louder than longer barrels, but sometimes that's OK, depending on how I'm playing. I haven't really noticed any loss of accuracy between this setup and a longer one with the same sizer.
To die for an idea; it is unquestionably noble. But how much nobler it would be if men died for ideas that were true?- H.L. Mencken