Jobo. I use their tanks on my processor and also use the 1500 series tanks for inversion when I use developers or techniques that aren't suitable for rotary. They're ingenious, the easiest tanks to load I've ever used, and work well.
I've never been able to get used to loading the stainless steel reels. To say I dislike them would be to miss a perfect opportunity to use more accurate terms like hate, loathe, despise and detest.