For all you injectors a reminder-wrap the target meat in a plastic wrap and inject thru the wrap. Greatly cuts down on the stray shot and reduces the post-injection clean-up. And yes, I learned the hard way!
You will get as many recommendations as posters but to answer one of your questions-different brands of lump have different smoke characteristics; from very neutral to quite heavy. Some forum favorites (in no particular order)-Rockwood, Ozark Oak, FOGO, Wicked Good Weekend Warrior and I'm sure others.
If you travel to the GWN (Canada) Maple Leaf gets high praise as well as Basque's Nature's Own.