Did you try powering up with the PLL off and then turning it on later?

Try changing some of the CONFIG settings
Code:
    CONFIG FOSC = HS2		; HS oscillator (High power, 16 MHz - 25 MHz)
    CONFIG PLLCFG = OFF		; Disabled
    CONFIG PWRTEN = ON		; Enabled
    CONFIG BOREN = SBORDIS	; Enabled in hardware, SBOREN disabled
    CONFIG BORV = 0		; 3.0V
and then at startup
Code:
 
'***********************   Direct Pic Register Settings ************************
OSCCON  = %00000000     'SCS[1:0] = 00, Default primary oscillator
OSCCON2 = %00000000     'Clear

' enable the 4xPLL
delayms 100	' allow some time for osc and power to stabilize
OSCTUNE.6 = 1	' PLLEN = 1