These are the concerns I recall seeing repeatedly on this site:
1. Fuel senders go bad causing gauge to read empty - (I had this problem and it was repaired under warranty).
2. Seats "rock." (My seats rock a bit).
3. Steering wheel column lock issue.
4. Some burn oil and need a re-ring (primarily a 2001 issue but some 2002's have problem, too)
5. Tires (I have 11,000 on my car and the tires are fine - depends on how you drive it).
6. Shifter sucks so most go with aftermarket. (I bought a Hurst)
7. Aftermarket shifters make ALOT of noise in SOME cars. (The buzzing is driving me crazy).
8. Lots of road noise so partitions are for sale through several vendors. (I bought Andy's and like it alot)
9. exhaust jingle due to H-pipe.
10. Ticking noise at low RPM - most have determined that it is "just the nature of the car." (Terrified me at first as I thought it was knocking. Told it was fine by both the dealership and members of the forum).
That's all I can think of for now. Hope this helps. Realize these are not all "problems." Some are just the "cost" of owning a 405 hp street legal race car.
matt