If your only going short distances the Trek will be comfortable. I have owned that same Ironman only mine was original. It was a nice bike but the color was wrong for me. My Trek is very fast and handles very well. I have not owned it very long but so far it is pretty comfortable. My longest ride on it has been only 20 miles though. I hope to get out next weekend for a 35 mile ride on her to see how she handles some hills.

You can`t go wrong with either bike. Get both. You will end up with 4 or 5 anyway if you hang out here too long.