That's an exciting shopping list! On the topic of accessories like tow kits and bull bars, I noticed that these things don't seem to be offered from the factory on the 2015 Defender in Australia? I wonder why that is?
[ame]http://www.landrover.com.au/Images/LR9624_2015_Defender_Spec_Sheet_300x215_Con_LR_tcm 296-122934.pdf[/ame]
Or is there a price list I've missed somewhere?

