Need a fast processing laser with high duty cycle..

[mooseracing]

Where should I look for on comparisons? Also any other recomendations.

Basically it needs alot of memory, duplex capable and monthly duty cycle over 100k pages.

Its going to be used as a Billing Printer.


edit: forgot to add this is replacing a 9000 series HP, so I would like to stay above 50 ppm.