So can I ask how you run your Wizard? Provide the spells you are using in there so we can all benefit?
Others have made some suggestions as a pretty weak work around doing the best they can while others classes just seem to be able to power through.
Its amazing how the most gear intensive type in game should be ok with being substandard while others can just go at it.
Until we get a significant boost in the variety of spells in game this is pretty much a joke.