My kevlar belted Vittoria Roma 25' are worn out. I need to replace them ASAP. The three tires that I am looking at are: continental ultra-gatorskin 28's, armadillo 28's, and Vittoria Raddoneur 32's. I am afraid of the armadillos because they are so overbuilt. The same may be said of the Raddoneurs. Of course I would rather have an overbuilt tire than a bad run of flats. Here's my background: I am a lightweight riding with minimal (<20lbs) gear from Boston to PA. Thanks for your help!