My wife and I have a 2002 Burley San Marino. It has an aluminium frame and steel fork with Truvativ cranks, XT rd, 105 fd, 105 brifters, tektro v-brakes, Zak2000 rims, shimano hubs.
Basically, I'm looking to spend some money (about $300-400) on it but would like to do so in a way that has the most benefit to the ride and performance.
My first thought was wheels and then a carbon fork (I realize that I can't do both with my current budget). Is this the right approach, and if so what brand/model suggestions do you have? If not, what other tandem-related upgrade suggestions do you have?