If you or your dad has it
If you could afford a Porche 911 turbo would yuo buy it.
If you can pay for the endorsement would you? after all you payed to learn to fly in the first place. ( Is it like gettin aircon option as if it is an option now)
If you come from money it is not important but if you dont?
& I dont so being a LAME Id spend 4Gs on the other option.. If i had it.