With the ability procs, the way I handle this is to have a fixed bar (the kind keyboard/mouse players use) right below my Focus Target bar and put all of my abilities with critically important cooldowns/proc conditions there. The bar is set up to be invisible for slots with no abilities so it doesn't add much clutter. I still trigger the skills from my crossbar as normal, but I watch the special extra bar for procs instead of dragging my eyes all the way to the bottom of my TV screen while I play to see whether Firestarter or Freecure is ready for use. It made my life a lot less miserable, and enabled me to put things with long cooldowns off the main crossbar so I could actually make some room.