I'm a huge fan of most of these bands, but not all of them - some of them are just the one I like the best that starts with that letter.
(Comments are disabled, because you need to create your own journal, morons. If you want to do this, copy it by highlighting everything and pressing CTRL + C, and paste it on your own page by opening a new journal entry and pressing CTRL + V, and list your favorite artists by letter.)
A - Avenged Sevenfold (same as 2008-2009; AC/DC was 2007)
B - Bury Your Dead (dethroning Betty Blowtorch from 2007-2009)
C - Children of Bodom (same as 2007-2009)