ok, thanks for your help people, i think i will go for the MBS core 8
Plus, i have to have an 8 my dad keeps saying " your not advanced enough "
i probably aggree, my intresed has just come back since my dad broke his ankle. and from a 2 lined 1.6 to a traction kite ( 4 lined ) is a big step, although, i have used my dads 3.5 bullet in about 20 mph winds.