Putting together a list of the best sparkling wines isn’t easy, especially when you do so with an eye on affordable wines. The world of sparkling wine is so varied and diverse it can make you dizzy even before you’ve popped the cork. And there’s a certain troublesome element to ranking them because they are so incredibly diverse, and we have by no means tasted every vintage of every wine on the globe, so there’s a certain (okay, huge) amount of Your Mileage May Vary factor here.