Lpc2000

I am trying to decide whether to use the LPC family in a battery 
powered design.  I can spend much of my time reset - so I should be 
in the 50-500 uA range, which is acceptable.

Are there better power characterization curves available than the 
couple of lines in the datasheet

I18: 
 Active Mode     30mA         
                 V18 = 1.8 V, cclk = 60 MHz, 
                 Tamb = 25 °C, code
                 while(1){}executed from FLASH, no active peripherals

 Power-down Mode 10 - uA V18 = 1.8 V,   Tamb = +25 °C,
                 50-500 uA V18 = 1.8 V, Tamb = +85 °C - 

I am looking for power in the Idle Mode (exclusive of pin currents)

If I can make this low enough, I can use this part.  Some strategies 
for lowering the idle power are:

- Slow PLL to mimimum CPU speed
- Turn off all peripherals except the few needed at the time

Any help will be appreciated.