Post up your experiences/reccommendations for when you use which under certain circumstances. I originally thought this would make a good poll but but I don't guess regular board members are aloud to post polls.

Reguarding the topic:

I personally haven't used 4LO yet. I've only used 4HI and the X did just fine. There have been a couple times I think it may have benefited from using 4LO but I never tried.