SOP's on the 738's I fly are 5 mins between 2nd engine start (no1) and start of take off roll for first flight (cold) or 3 mins for subsequent starts. As for angle of attack indicators and FPV, we have both on our 738's, as well as HUD. I think the FPV is standard and the AOA is an option. Our 744's have FPV. I use the FPV for accelerating one engine inop and on visual approaches for 3 degree reference, but don't use the AOA indicator.