when is it ok to set your car on fire?

Lately I have been having all sorts of pain-in-the-$%# problems with my car....it's been a good car, and it's pimp, I mean come on I even have rear heated seats (also known as 'toasty asswarmers') and it's so smart that when you roll the window down when the stereo is on, it automatically boosts the treble so it sounds just like the windows are still up. And it's fast, just ask Harley Chris (nothing like drag-racing down Belt Line Rd at 2am to 90mph). But good lord, what else can go wrong. I mean, I drive a lot for work, and then drive back and forth to Dallas every weekend almost, so I'm not too shocked I've gone through three sets of tires in two years, so I just got new ones. But now I have this front-end vibration between 60-75mph (where I do a lot of driving) and I find out I need a new front left half-axle...of course, this being a European Money Pit that just sounds expensive, and it was. Manageable though, more of a pain than anything else....I thought to myself the other morning that if I came out one day and it had burned to the ground mysteriously I wouldn't have been too awful upset. But then I had to talk to it in a soothing reassuring voice so it didn't get mad at me and launch a wheel off while doing 80mph down the interstate, the finicky little tramp, I mean great car!

So what do you think....should I keep it, as it's almost paid off, or think about getting something else? And if something else, what would be a potential future Keithmobile? No fruity-looking hybrid cars that look like a jellybean either, a man has to have some pride when he rolls.