Maybe a text indicator to show when you *block* or *dodge* or *resist* an attack ? Also color coding the damage types would be GREAT. Red text fire, Blue text cold, Yellow text Lightning, Orange text Holy ? 

 

In fact showing multiple damages like, a Longsword of Spark, when you hit it could show the damage + fire in two numbers instead of a total so you know exactly what is hitting for what ? :D i think DDO did that very well