there really isn't a disadvantage to using nicer tires, other than cost. buy the best ones you can afford, and don't skid. run a brake if you have to. conti's GP4000 or 4-season for winter are nice, some prefer the regular gatorskin in rear, which comes in sizes up to 28 but doesn't have the new black chili compound, nor come in colours. i'm using a vittoria diamante pro light up front, which is soft and light and likely will be replaced by a schwalbe ultremo or a prorace3 when it wears out.