I'll be visiting New York City in May and want to take just one camera and one lens. I'll bring my 40D but was wondering what you think would be the best lens to capture some of the usual tourist attractions. Please see my sig for a gear list. We'll also try to catch a show or two and was wondering if they will even let a camera in the building. I'm taking a bus tour and won't have any place to leave it. Could someone please help?

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