Help

Hi,
i have been surfing for nearly two years now. I have been using a wide 6 4 thruster for about half a year. i am roughly 5 9 and weigh about 9 stone and i surf at least once a week. I want to improve my surfing and just wounderd what size and width board i should move to now. Thanks for the help.
i have been surfing for nearly two years now. I have been using a wide 6 4 thruster for about half a year. i am roughly 5 9 and weigh about 9 stone and i surf at least once a week. I want to improve my surfing and just wounderd what size and width board i should move to now. Thanks for the help.