I almost never Execute, only do when I know I'll be eating or really need to finish off the mob A.S.A.P.
Sweeping Strikes owns souls, and Imp Disciplines is just great. With Retaliation/Sweeping/Cleave I can usually kill 4-5 mobs w/o needing to pop a pot. Just make sure you Demo shout first XD
I've tried DW/Fury, it had it's moments, but seemed to have less "Oh crap" options. Maybe it was because I was lower level, don't know, but with my Arm's build now unless I get more than 3 mobs I just sigh because I'll need to use a big bandaid instead of a minor one.
Don't know if it was mentioned here, but using bloodrage solo is just begging for downtime. Yes, you get more rage, but unless you have crappy armor you would take less damage fighting for 2 secs longer because you need 1 more hit to kill them. There are prolly gonna be those who disagree, but I'd rather be killing than eating/bandaging.
Also, when grinding, find mobs that "help" you. Example are the Yeti in Winterspring, they almost always cast a 2 sec freeze that triggers Second Wind. So they heal you 10% and give you about 30 rage for not swinging for 2 secs, which when using a 2 hander is nothing. I was able to grind about 5-8 mobs per bandaid doing this instead of 3-5.