Trek is an amazing experience but not with Intrepid. I was doing it in July.
Organization of the trip was terrible but price really high (2600 -2800 pounds).
Our guide .....oh it was impossible to understand him. First I thought - it's because of my English ( it's not my first language ) but soon I realized - nobody can't understand him. So from my point of you - the historical part didn't exist! I am not Australian i just had a tiny knowledge about the battle. Hoped I will learn more during the trip - unfortunately...nothing! Need to read about it at home.
Another thing: it's a challenging trek. You ( or maybe just me) expect that at the end of the day person who look after the group will ask: are you ok? how are you feeling/doing?
Nothing.Two guys were ill during the trip. The only thing they did - stopped trek when they were throwing out. People from the group cared after each other - sharing first kit, happy to help each other
Food - disaster. For breakfast salty crackers with jam of honey, corn flakes with powder milk.....every day. Never ate it). Dinner and lunch - boiled pasta/ noodles/ spaghetti plus breakfast set. 18 meals - PASTA. Sorry...twice we had rice. No fruits - if you want to, need to get for yourself. Didn't expect amazing meals, understand that you can't get products on the way....but other groups had really great food - so if you want to, you can organise it much better than ours.
My porter was really bad too. Here I need to admit that I was unlucky because it was just few like him! He rarely was behind me - didn't have any help/security. When he was on his place .... I don't know who saved more other bottom. He landed on my back quite few times!
Also when he finally arrived on place where we were staying ( people from the group were enjoying water, I was waiting for my porter) , very often was leaving my backpack somewhere....I had to find it.
Finally .... I had a feeling that they just going with us, we weren't a group 9 I mean a crew and people from the group). The didn't stay with us after walking, didn't' talk to us etc.
Anyway: I think that the trek is great and Kokoda can be an amazing experience.....but think twice before you'll book it with Intrepid.