I exclusively use lump in all my cookers except the PBC. Though I used lump in the PBC seems like it does better with briqs. For briqs in the PBC I use Stubbs. Its great stuff and natural. I even gave Kingsford comp a try and didnt like it at all.
I mainly use the new Cowboy lump, Royal Oak for low and slow, Mesquite lump for open pit grilling (burns really hot) and Stubbs in the barrell.
Recently picked up Coconut shell briqs that Lowes started to carry but havent tried it yet. Its all natural again and suppossed to burn the hottest and pretty long.
36" DCS NG Grill - Vision Kamado PRO - 36" Blackstone Griddle LP-'10 Weber Performer-PBC