It's especially bad, because most have been abused by their first owners.
I hear ya! Back when I was in High School (almost three years ago now, holy cow!) there was this douchebag kid who had a WRX who just completely failed at life, and had absolutely no idea what to do behind the wheel of that thing. I remember walking out to my car, and watching him go by in the lines out of the school, hearing him slip the clutch so much, and then completely fail at the 1-2 and 2-3 shifts at speed.
Then he manages to beat the hell out of the car, think he is God with AWD in the winter, and then forget to change the tires, and manages to get himself stuck. Dumbass.
...I hate kids with lots of money sometimes...
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On the subject of Subarus in General, I'm a bit passe on the whole brand. Overall the cars have the look and feel of being built well, but recent long-term tests of Impreza/WRX and Legacy/Outback models have shown the bad-side to Subaru. Things aren't always screwed together just right, transmission issues are more common than they should be, and the electronic ghosts can become an issue. Beyond that, fuel mileage isn't great, parts replacement costs are high, and because of that I would assume that insurance prices would be rather steep as well.
If we're looking for cheap AWD models, I again highly suggest shopping over at the VW side of the market. Yes, they do fall into some of the same pitfalls of the Subaru, however I belive at least from personal expirience it is to a lesser degree. Unfortuantely we did not recieve the 4MOTION models of the MKIV Jetta and Golf in America, however there were quite a few Passat models that made it across the pond, and this one in particular may meet your standards:
2001 VW Passat V6 4MOTION Wagon
The asking price is listed at $10,900 which seems like a pretty fair deal. Given that compared to most 4MOTION Passats this one is a "stripper" (cloth seats, hubcaps, etc), it still passes as a highly refined and rather nice sedan to satisfy the needs of your parents as well as yourself.
I quite like it, but it is a bit out of my price range. I love the color combos, the wheels can easily be replaced, and mechanically speaking, it is spectacular. This one would be worth a look if you were asking me...