I've been able to speed up the boundary and cutoff checks considerably, all within Python. The following 1000 step (100 yr) simulations took 79 min, 29 min, and 53 min respectively. This may put the average simulation time within my 1 hr goal. These runs were performed still using curvature only. The issue now is how to keep the river from sticking to the valley wall. I'll be working with the other meandering methods this week, which may solve this problem.
