I bloody love fireworks. We went to an excellent display this year which was a nice mix of impressive and dangerous. The sense that at any moment we could all be incinerated really added to the experience.
Lots of cities have official displays which cost thousands of pounds and tend to go on for half an hour or so. All this really ensures is that your whole audience will have a crick in their neck when they're done 'ooh'ing and 'aah'ing.
Perhaps we can learn something from a mishap in the Scottish town of Oban, then. After cueing up all the pretty explosives, a technical hitch caused them all to go off within 50 seconds. It makes for spectacular viewing. See?
Ooh and indeed, aah.