Delirious from Vivid Pyrotechnics is another fantastic addition the the vivid range.  Known for their brightly coloured and varied effects, theyve done it again with this fantastic semi pro barrage.   83 shots from maximum 30mm tube size along with a maximum kilo of powder , means delirious has some pretty impressive sized bursts. 
Combine this with straight and fanned effecst, you get sky filling goodness.