Normally, I don't bother with an odometer, as that data is often useless. At Battenkill it is very helpful to have the locations of the climbs and dirt sections memorized so that you know when you need to turn the screws.
While I didn't do anything special with my hoods, I have switched to Campagnolo Centaur with the new Campy shape since they have more material to prevent you from slipping off the end of the hoods. This is critical when road conditions deteriorate.
Bottle Cages: King Stainless steel cages. Simply put, King cages are the most dependable bottle cages made. Chris Igleheart puts these on every frame he makes. That was all the endorsement I needed. I won't be loosing any water bottles.