It would also be nice to find out how many errors our pitchers make, on the "pardon our dust" page that has sat unchanged for six years and counting, while SOM "figures out how to present the few stats that they have."
The biggest thing for me though would be a recoding that would make the "avoid" lefties or righties on the hitter preference page actually work.
The some minor tweaks like releasing ATG 9 and changing the pricing structure, even if it were a random fluctuation in current prices of say +/- 2% or 3% every couple of years. Better would be a model that takes into account usage, not to drive some favorites up so that they don't get used much, but to lower the prices on a bunch of rarely to never used players, which would have the intended effect of increasing the functional player pool.