Originally Posted by jon c.

I've seen some really good values in certain Jamis lines, but this one doesn't seem to offer any better quality than the Spec. Quality among major brands is fairly even at that level. What feels the best to you is probably the best bike for you. The big difference is the suspension fork on the Jamis. If you're riding primarily roads, you may not want that. Unless the roads are in really bad shape. Conversely, you might prefer it if you're planning to ride off road.