looking good man. i did the same on my first grow with the super soil. i only topped one plant as u can see from the pic on the botttom right, but i will always top from now on. what kinda light are u using? wen i had my first grow i had many light leaks which killed my harvest. anyway here is a...
i like to top, if u are limited with space topping makes wonders. u can top for 2 or four colas. light hits each cola better which increases ur yield. here is a pic of results of topping