I can't admit to running to a Crosshairs and a Sport - my wife seems to think my Sport and the world's most under-employed Rockhound are enough Gunnars for now - but I have another 'cyclo cross' bike with similar geometry to a Crosshairs.
Idle thoughts - the geometries of the Sport and Crosshairs are a fair bit different. The Sport is a lot more 'upright' in the seat tube dept. This I like - have short-ish thighs for my height, so don't like to be a long ways aft of the BB. My "X" bike has a more laid back seat tube angle and is okay for short runs, but starts to get painful after 30 miles or so. Yes, I could put on a longer stem and move the saddle forward, but that starts to involve spending on it.
The other major difference is the braking system. I find cantilever brakes to be a load of complication over the dual pivot road brakes on my Sport, for no real benefit.
The geo is all down to you - which do you reckon would suit you? (in my case, the new Roadie, but the finance dept is revolting again.
). On the brake side - despite being able to fix most things on a bike, canti's have slipped to the bottom of my list of things I care to mess with.
Interestingly enough, my Sport (2003 model) has a lower stack height, headtube length or whatever its called, than the present Roadie. Despite it being what I'd have once called more of a 'touring' frame, my Sport willingly puts up with how I sling her about and I've never been able to pin any inadequacies in my performance on my Sport.
Okay, you probably are really confused at this point. It's not even like with other bike makers - you buy model X, it comes in green, while Model Y comes in red, take it or leave it
Good luck, you'll enjoy either.