What's in my bag: Rome edition

What's in my day bag for Rome:

Bag: Manhattan Portage Medium Messenger

Canon Rebel XTi with 2 straps (blackrapid and hand strap)

3 memory cards

3 camera batteries

Mini tripod

Lens cleaning microfiber cloth

Rick Steves Italy guide

Rough Guide map of Rome

Prints of Rick Steves maps of the Pantheon, Sistine Chapel and Vatican Museums

Ballpoint pens (for writing on maps)

Pouch with toiletries (Tylenol, sudafed, etc)

Pouch with wires (iPhone charger, 2 sets earbuds to listen to MP3 audio tours) and camera batteries/cards

Nalgene water bottle (to avoid buying $3 bottles of water all day long)

Maui Jim sunglasses