In my opinion, your initial instincts have lead you to the correct conclusion.
Goggle slot, con op item. Gets my vote as a wizards first piece of greensteel everytime.
For that matter, it was the first item i built for my cleric and both my favoured souls (regardless that they are torced), same slot, same item.
The last wizard i set up with greensteel had blindness/disease immunity first tier, spell points (char skills) 2nd tier, spell points (char skills) 3rd tier, dual shard, concordant opposition.
I'd recommend it as a solid choice.
And for the future : that same toon's next piece of greensteel was a 3 tier cold absorbsion dagger for his kiting runs in TOD. I know it's not 'absolutely required', but i can say with certainty that my kiter always gets invited to do TOD, and always gets the job done. Just for the future
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Regards
Coit out~