Note the addition of a couple of LCD instruments in the middle just above the left side throttles. Certainly not original equipment.
From:
N419BH
(Sat Sep 6 13:08:38 2008)
Those would be Garmin GNS-430 combination GPS/Navigation Radio/Communication Radio displays.
From:
N419BH
(Sat Sep 6 13:09:56 2008)
This is not the original cockpit layout and most of the instruments are not originals. It's been updated so the aircraft can operate in the modern air traffic environment.