So I have found that one of my opto boards is malfunctioning on my IJ. L flipper was weak so I cleaned the optos--minimal improvement so I switched the L and R opto boards and weakness moved to R flipper and L flipper became strong. I am assuming that means the opto board is bad. So here is my question. Which opto board should I get? There is Rottendog, Pinball Life has one by Anarchy--these look like the original opto board. A couple of sites have an "improved" Fliptronics board that uses magnets but is approx. 4 times more expensive. Pictures below. Is this a time that I should upgrade my Fliptronics II Board in addition to the opto board? Please let me know what you'd do if it was your machine.