BigIan said:
The use of lump wood charcoal over briquettes, does make a diffetence to the taste I find.
I can't say I've really noticed that but I avoid briquettes for other reasons. First and foremost, lump wood shrinks away as it burns so you can see how much you've got left. Briquettes hold their shape, leaving you to guess how much actual carbon is left within the balls of ash.
Secondly, they produce large quantities of ash, unlike lump wood which burns away to almost nothing. You can put a lump wood barbecue out when you're finished with it (I use a plant spray for this) and the charcoal will be good to go next time. Just top it up.
And finally ... they cost more.
Any improvement in flavour is most likely coming from burning fat that's dripped onto the red-hot lumps. It might not burn in quite the same way if it soaks into briquette ash.
Given a choice, I'll pay a bit extra (but not too much extra) for instant-light charcoal then add a little lighting fluid as well. Don't waste your money on gel. You'll do just as well with crumbled up fire lighters, although you shouldn't need either with instant-light.