Soft emit - Noob Question

I have a mesh that I want to emit light, but have soft edges (its a weapon report).

It doesnt matter if the edges are ‘extruded’ by the light (eg a mist around the shape) or if there is a way to really soften the edges.

I have been playing around with lighting and havent found anything.

Thanks

You might want to combine radiocity and the glow plugin. You can achieve some nice results with it.