FWIW my GSA TE was coming up for 3yrs old this month, 18k miles, tyres fecked, so I reckoned with the MOT, 18K service and a set of tyres I would be spending around £650-£700 anyway just keeping the bike.
I wanted a 2017 GSA for the better gearbox, TE spec and the only must have was gear shift pro, just traded my bike with full luggage for a Feb17 GSA TE , 2kmiles, Gear shift pro, alarm and brand new set of luggage, 2yr warranty and breakdown, full tank fuel, 12mths rfl cost to change £3750. I'm happy but then I never order new bikes always a demonstrator or a pre reg.
I wasnt bothered about getting a TFT screen btw.
Hope this helps