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Although I am way too cheap to get an iPhone (it's the monthly plan that freaks me out), I do have the Touch - so I get all the benefits of the iPhone without the cost.
Anyway - new software, means new applications on the Touch. Nothing earth shattering yet, but the Urbanspoon app that helps you pick a random restaurant based on cost, location, and type ain't too bad. Unfortunately said app does not work in Ireland.