In 4.0 I was amazed by:
-WAR's gapcloser
-PLD's "Holy"
-DRK's "shield cover"
-MCH's flamethrower

What skills are you hoping to see in 5.0? I'm hoping to see:

-PLD gapcloser involving their shield (Think Capcom fighting games Captain America "Charging Star")
-DRG "Dragon Breath" or Highwind
-BLM getting Comet
-SCH getting Meltdown
-MCH getting a Chainsaw or Drill
-MNK getting an Aura Blast or Asuran/Raging Fists