Originally Posted by CBBaron

I would want atleast room for 28 tires with fenders, in my case I want more like 35+ so I can fit studded snow tires for winter. The longer chainstays will give you better heel clearance with your panniers when loaded for touring. If your only doing light touring its probably not a big deal but if you want to do self contained your probably want the longer chainstays. I'd probably go with more of a touring geometry. Most tourers like the Trek 520 can handle wide tires and fenders and have plenty of room for panniers. 1 or 2 pounds won't make much difference once you are loaded up unless you are a very light rider. Look at the thread about the porker commuter bikes. Many have bikes that weigh 40-50lbs loaded.
Craig