My 2004 Prius, purchased used last year (even had a buyer's check done at my dealer before purchasing) has just had its hybrid inverter battery go belly up with only 89,900 miles! Warranty is already out as it is past it's 9 year time limit, and Toyota just quoted me $3400 to replace it. Other local mechanics were not able to beat the dealer's price by more than a couple hundred dollars. Here is my dilemma: Do I pay the repair bill and hope nothing else goes wrong (I still owe on the car), or do I trade it in on another used car and hope for the best? I see the pros and cons of each, I am just wondering if anyone else has had to replace this battery and what they chose to do. What other potential high-priced repairs could I face if I repair and keep it? I love my car, but honestly, I am now very gun shy about hybrids. Any advice or suggestions would be appreciated!