Here's a 2010/2011 season salary cap update for NBA Live 2000:
NBA Live 2000 Salary Cap Update
and one for NBA Live 2001:
NBA Live 2001 Salary Cap Update
Please note that they will not automatically adjust player salaries, they're intended to be used with a roster that already includes real salaries. If they're of any use to anyone updating the rosters for those games, feel free to include them in your updates.