Well damn good job first off, and I too have grown out "brick weed" seeds into some nice nugs. I have seen some experts say watch just the tricromes and others say harvest when the bud looks done. So I say do a mix of both, if the buds look done then they are done (the hairs go from fat and red to thin and brownish when they pass their peak, so you want a 50 50 split). I have noticed that on the fan leaves that on the yellow parts of the leaves the tricromes have already gone to amber, but the green parts are still cloudy and/or clear, so on the buds the older dried up hairs are past their peak (all amber) and the fat healthy red ones are still between clear and cloudy. To get the most THC then harvest when half are red and half are brown(you still have at least a week) and should be almost none white.