The JK needs one more course - a score course.
I had a quick look at the JK website. Looks like some great areas - a pity I have to work that weekend

Looking at the website from the viewpoint of an inexperienced M/W21, such a person it's quite hard to know what is on offer in terms of course length/difficulty etc as there is a lot of assumed knowledge, which might lead the newbie to wait until there is more information in final details, by which time the entry fee has gone up (bonus point for tentatively linking back to the original post). Or ending up entering an excessively long and tough course.
Of course it would be reasonable to say the JK should be for experienced orienteers, but the event is so successful that there's nothing else on in mainland UK for the whole double bank holiday weekend.