None yet. I was baptised in to the 1911 world with a $3,000 Nighthawk. Since then I have shot a Kimber Pro Carry II. I am afraid to go for what I can realisticly afford, it would be like driving a Mazaratti but buying a Prius.
Really though, I think after my AR and a gun for my wife that a Rock Island Armory is next on my list.