No, it is just another type of beer, you have the lighter beers (max 5.5%) like Stella, Maes, Jupiler and then you have the heavier beers like Hoegaarden, Leffe, La Chouffe, Duvel and so on, they go from 7.5-10%.
The lighter beers are for mass consumption 10-12/evening before you are drunk (depending on the resistance it can be more or less of course), the others are for a bit more reasonable consumption, 5-6 before you are drunk.
Price wise, it equals itself, 6 of the heavier ones are as expensive as 10-12 of the lighter ones.