That sounds like something I want to try once I have the PC3200 back in this PC. It definitely sounds achievable.
For settings you could try:
2-2-2-6 @ 2.5v / 200MHz, DDR400, 2.0GHz
1.5-2-2-6 @ 2.5v / 200MHz, DDR400, 2.0GHz
2-2-2-6 @ 2.8v / 218MHz, DDR436, 2.4GHz
1.5-2-2-6 @ 2.8v /...