Luggage and bags:
a daypack to carry all your water!
Clothing/Shoes/Weather Gear: chicks need to bring elbowish length tops for the more remote areas, because they are more conservative
take breatheable clothing, that won't get too uncomfortable when it get sweaty - it will!!
Photo Equipment: take heaps of memory cards/films - it becomes a quest to capture the perfect camel pic
Camping/Beach/Outdoor Gear: chicks (again!) bring boardshorts and a top to wear in the water if you wanna try a public beach (thats what the locals do)
Shorts, cool clothing, and a lite jacket for the nights it gets down to 50 with the wind blowing
Toiletries and Medical Supplies: Suntan lotion
Photo Equipment: Digitak Camera will work
Camping/Beach/Outdoor Gear: Surf board