Maybe they just don't make them like they use to. Here is a link to the Washington Post about Jeep recalling 800,000 Libertys because the ball joints can break and cause you to lose control.
Jeep Recalls 2002-2006 Liberty SUV Check out JeepNewsNow for the latest on Jeeps.
JeepNewsNow I also had a relative that had a Grand Cherokee and he said it spent more time in the shop than on the road.
I have never owned a Jeep and I have never driven a Wrangler. I still really like the look of the 2007, 4-door Wrangler.