i'm not a purist so i really dont care about sense mods or installing switching power supplies in these games making them "less original." to me its whatever it takes to make the game work.
While the sense mod is great for getting rid of the frying resistors on the power supply boards it doesnt fix the actual problem, the edge connector and the connector pads on the game board. I understand the part about the +5 dropping to a point to where the game board starts acting crazy so why not repair the main board and edge connector rather then let it get to the point that the game starts going nuts?
The sense wires are what 18/16 ga? The +5 and gnd wires are at least 12/14 right? If the larger wire fails the game board is going to try and draw more current via the smaller wires. While up front thats not a big deal down the road it is... Imagine the harness from the power supply board melting together... Now ask yourself this question. Would you rather have two stupid resistors fry on the power supply or have to replace a wire harness?
Dont get me wrong here, i like the sense mod in that it gets rid a potential break down. But if the original problem isnt fixed your asking for a new one. If you added that in the write up then i didnt see it. I just glanced over the article so i may have missed it.
Fwiw, i'm of the school of bypassing the edge connectors gnd and +5 connections. I use one of those computer hard drive power supply extension cables, cut it in half and solder in as needed. This keeps the original harness in tact, the original edge connector intact and makes it so that you can still remove the board if needed.
Nice write up btw.