I have a 6-6 UL I have used in the past for crappie early in the spring.
One gets a good fight out of the UL but for me, I like the light action rods better. I believe I am a bit more accurate with the light rod when casting.
The UL does cast small jigs pretty good.
The UL is a great sporting rod action.
Now if I am jigging over the side of the boat, then I like the UL as it detects the light bite a bit better.
I guess for me, it depends on how I am going to target the fish.
I hope this helped you some.