Can anyone recommend Smokeless fuel types?

I've tried:
Coalite (Not hot enough).
Brazier (very hard to light and not hot enough).
Homefire Ovals (my favourite so far but a bit costly).

I've just picked up 50Kg of Newflame and will be testing it out later on.
Came to £11.00 for two 25Kg bags.

Nikki