It may be that your fronts haven't been replaced with the Veloce (saloon) front shocks then, if it is sitting high. Can you post a profile picture of the car so we can gauge relative height from front to rear?
Yeah I see what you mean, it doesn't have the correct Alfa stance, if anything it should be lower at the front than the rear not vice versa. Its possible you have the wrong front springs. However if you are going to change anything I'd change the Nivomats, saloon Veloce springs all round, new saloon top mounts for the rear and then some upgraded shocks, FSD, Bilstein B4, something like that.