This may be slightly blasphemous in the Hybrid forum but I did want to pick the brains of some of the great minds here and some of you may understand where I'm coming from:
I'm cruising around on a Trek 7.3FX and am a fan of it so far. Here's my question. I know the 7.5 and above have a carbon fork. What are the benefits of maybe slowly upgrading to a carbon fork / seatpost / stem and handlebars? Would this make my bike better able to keep up with the road bikes on some of their rides and add a bit of pep to the 7.3 or would it be wasting money? In particular Nashbar's cyclocross fork has caught my eye as something that would let me keep the vbrakes and hybrid nature of the fx (maybe one day discs? ) and the price isn't so hard to swallow.
Note: I like the 7.3 as a fitness machine and would like to start using it in the spring to get involved in some of the local club rides. Right now I'm riding it in my neighborhood for 10-15mi a day getting into riding shape for some of the longer stuff the local club does. The roads are certainly not great around here and I'm wondering what my options might be to make a better riding bike in town but will still let me keep up with the pack of roadies riding their brakehoods.