The biggest difference between the Khartago is 3 things
Channel Seperation -- HUGE difference here
Soundstaging depth, a little subtle...
And strain, the Khartago had a little strain at higher volumes, the Stratos have none
Definitely worth the money, by far...
Thanks for the comments
As for my thumb, lets just say I was preparing my halloween costume, has one of those things that have fake blood running through it, spilled a little!