LOL.. yeah that was a monster video
okies, I would swap the CIA chips... and see if that gets any further into the boot process
from the cycling power light I would say Gary is faulty, a probable memory or bus conflict.
Before saying the mobo is dead, you really should swap other chips (other than agnus) and see if the board will boot, or gives the customary colours on boot. Better able to see the fault with the colour.
Az