I have three Morrison risers, 16, 18 and 20 (I picked up a couple relatively cheap). I like the fact that they can be adjusted, and their made out of wood, and set up for shooting off the shelf. No buttons, magnetic rest or stabilizers. The 16 I have is very light and a good riser for hunting, the other two are heavier and better for target, although their not heavier than a lot of other brand 3 piece takedowns with long risers.
The Morrison limbs are fantastic, but I haven't had a chance to try any others yet.
The ILF system is definitely an interesting system. I still have other bows and shoot them a lot as well, but the ILFs have been getting a lot of my attention.