I'm pretty new to this and don't really know as much as I'd like. I'm currently riding my trek navigator 300 20 miles plus and I'm researching an upgrade. The LBS was telling me how a CC bike was built a little stronger than a road bike and might hold up better under my weight.(325) Plus they usually don't come with slicks but can be added. I'd be riding paved trails and road, but there is always a lot of debris, usually gravel and stick and stuff(plus I occasionally ride on gravel roads) so I don't want to run a slick. Is there any truth to this? Would a road bike be more comfy than a cc? I was drooling over the cannondale cycle cross that they had there.