I know the first generation Predator used a little 120 HP Rotax (912, I think), similar to the engine used in many homebuilt experimentals. This thing looks like it has a turbine powerplant, to me.
And are those JDAMs hanging from the wings?
Those look like GBU-12's. JDAM looks like this:
They are GBU-12s, laser guided 500lbs.