Good beer in downtown
Located just around the corner from the popular micro-brewery Fabrica Maravillas, Irreale is a warm, jazzy alternative if you're looking for a good beer in downtown Madrid. They have a solid beer list (not sure how many, but at least 30) and a rotating line-up of good beers on tap, ranging from fruitiy Belgian brews to lip-puckering American IPAs and locally-made offerings from Toledo's Dolmus brewery.
They also serve food which, as neat and "brewpubby" it might be, seemed a little scant for the price.