My spread lately usually consists of 2 leadcores (4 color and 5 color), a mini dipsy or jet diver (started to get annoyed with dipsy as they never seem to run right for me, they are set correctly as I have done a ton of research on it), and 2 downriggers (one with Depth raider probe), then sometimes another jet or dipsy if I feel like testing the tangle gods. My best setup so far has been the 4 color Lead core with a worm harness.
We were out of Dunkirk last Saturday and had 5 in the box till the weather turned on us, we found a spot that everytime we passed through we got a fish or two. Seems like for me that is how I have gotten the most fish they just stack up on one spot. I have been pulling rods to make the quick turn when I find a pocket of fish just to keep going back through them and it seems to be paying off this year. The probe has definitely helped as the GPS at ground shows anywhere from 0.5-2 mph difference, mostly faster on the GPS than the probe.