Ok fellow iPadders.. here is the issue.
Two iPad 2's (sharing 1 Apple ID if that matters)
One Canon Pixma MG5320 AirPrint printer.
Did the driver update to 2.0 on the printer.
Both iPads iOS is up to date.
All are accessing WiFi through the same Access point.
Mac Mini running Lion can see and print fine over WiFi
Only ONE of the two iPads can find the printer.