The Juniors is good josh, i did the under 13`s when i was a pup
long time ago now, Back then you had to qualify in the top 5 of the region but nowi think if you request a place you will get one. Its well worth doing even if its just so you get a feel for a national event.
I felt the F345`s event was a better event last year but im sure this is down to the tracks used.