There's a lot to be said for pride in ownership.
I was lucky when my Diamondback mountain bike was stolen the second time back in 1994. I was starting to make good money again as the real estate market was making a strong comeback, and I shopped around, deciding the best mountain bike at the time was the GT Xizang - a titanium-framed hardtail. I spent the bucks and bought the best. I'm so thankful I did!
Over the past 16 years, my trusty "Lady Xizang" has been with me all over the country. And I've kept her upgraded with the best components. She's a collection of good memories, the best parts, and the source of great pride.
The only downside to having the best? You have to be paranoid about someone stealing her. Be very aware and protective.