How far is your commute each way? Flat, minor hills, major climbs? Paved all the way? Mostly paths and cycletracks or all on the road with cars? What else do you want to be able to do? Road training? Off-road? Easily make short trips to stores and eats? Do you mind something that requires a little maintenance or want maintenance free? Plan to wear cycling shoes or street shoes? Cycling shorts w/ chamois or street clothes?