I am currently chatting with a good friend who is a Rohan Warrior extra.... when asked about costumes :"oh we are just in standard sort of viking type gear - (person's name) is playing as an elf and their costumes are kewl - he is one of the few guys skinny enough to fit them lol"
Filming at "Helms Deep" will apparently take 5 weeks.....so about 1 down and in the middle of week 2 I guess