I have tried both lump and briquettes, and I prefer lump. My reasoning is that lump gives me less ash, and a more consistent heat. When I have tried briquettes, the ash covered the briquettes and I ended up with less heat. With lump, I had a nice steady burn with a lot less ash.
SNPP w/ mods, Patio Master(30 years old), Kettle Grill, Copper Penny UDS, and Maverick 73 thermo.
Youth and enthusiasm are easily overcome by old age and treachery.