Ryan,
Thanks for your post!
In the end, it's hard to say that the 650 would be an easier decision for me simply because I received a Garmin 430AW (16 watt comm), KX 155A (glideslope), and a KI 209 for $7500. I was able to get the PMA 8000B for a whopping $600...wiring and tray, etc all done...