I've always only selected the Bash patch import options for items that it was specifically documented for. For example, when installing the Sensual Walks for Female NPCs mod you deactivate the vwalk esps and import the animations, or when using TNR with importing faces. However, I read something that brought out the question of should I be doing more. Are you supposed to just import everything? Even from esp that you have active? Or is there some happy medium I need to find?

http://sites.google.com/site/oblivionpoinfo/finishinstall/bashedpatch <-- "safe" means you can check everything