The A380 is expected to do its maiden flight early next year, the first major airshow after the maiden flight will be that of Paris in the middle of 2005. So yes it will fly at Le Bourget, it will be the first air show where it will be flying. I definitely want to be there to see it. I was there back in 1987, the year the A320 did its maiden flight.
Unless you work for Airbus, you won't see the A380 before the Paris Air Show.