What's your usual winds krisss?
i ride 6,8 now
15-20 on the 8, 20-25 gusting to 30kn and maxing a bit on the 6 but I'm 90kg, experienced kiter. Range of surfboards used, but on my 6 mostly in WA summer
if you ride lighter winds (15-20) mostly, then I'd go 7,9 - if often in 25kns go 6,8
Cranking in my locale today!
hope that helps