Hi Nick
Not sure about the caliper rebuild kit but the flexi hoses are available as an aftermarket upgrade through Goodridge and you can even get a discount through this club as a Premium Member.
Their steel braided hoses are far better than standard rubber hoses as they provide a more positive feel to brake pedal through less flexing and lost energy through the rubber ones deflecting when pressurised.
Hope you find the fault with the brakes
Hi Terry...welcome to the Club
Wise choice..the XKR is the one I would go for as well...only ever going to go up in value over time if looked after
Good to have you onboard
Cheers Trevor