Which one should I get? Please rank each board on a scale of 1-7 flex wise, that would fit my needs.
Proto CT/Proto CTX
All NS decks now come with perfectflex, a new tech where the board uses patented extrasensory perception to read your mind and sets its flex according to what you need, so all of them will be perfect for you. In addition if you bring the board to the bar and sit with it at your table it will telepathically feed you the best pickup lines, like:
"...last weekend I was on Shawn White's jet..."