Yup, dispell can get rid of all buffs. It's awesome for PvP, but it only gets a few buffs at a time. I'm not sure of the actual math behind it.
And while I was sort of trolling (bored at work), I wanted to share the story and get the opinion of my fellow DDOers.
I'll save my tools next time I'm in a party with a rogue. Apologies to the poor gimped rogue for last night.