Obveisly i haven't done enough yet to say what high kata (like jion etc) is my favourite, but heian nidan is my favourite kata so far, hence also its my favourite colour, i just loved the way that from Zenkutsu Dachi to Zentuksu- Dachi Right Uchi Uke i just totally love that move, its soo cool, very effective.
Another kata that is now close to my heart is heian shodan and i took part in a kata competion in march 2004 and i just simply flew across the floor and won a silver medal ie 2nd place, now it hangs up it my living room pride of place for everyone to see

Some (heian's too) kata's i've noticed feature moves that high kata's have, take jion for example has some of the moves in there us what heian yondan has and very gingerly/ carefully we approach Kanku Dai with its Morote Hiji Tate Fuse and Nidan Tobi- Geri and shout kiai too and Empi gosh! well after Kiba-Dachi Morote Koko-Gamae, and then jump turn 360 degrees in the air and shout kiai aswell.

amazing! woow!
Amazingly still my club's master (my sensei big boss!) Shihan Akio Minakami yearly comes all they way from hawaii usa to show us new kata's that he's created and teaches it to who ever what's to learn them, now wonder its feels my head is mentally expanding with all the moves/ things that i have to remember, its a good job coffee is available to help keep things together!!!