I have used both lump and Kingsford Blue, and had good luck with both. As stated above with lump you have to make sure that it is tightly packed to get good burn times. Wicked Good lump is the best out there. I use Kingsford Blue most of the time based solely on cost. I don't see enough of benefit to lump to justify paying more.
2 OTG One red one black
22 1/2" black Bar-B-Kettle with rotisserie ring
Brinkman dual zone charcoal grill
Webber Silver Genises B
3 burner camp stove