I've owned my 2003 Civic Hybrid for 2 years now and so far its been a great car with only a few minor problems.
Luxurious interior (compared to other non-luxury cars)
Transmission fluid needs changing every 2 years
IMA battery will start to degrade after 7 years
Seats are very stiff, its like sitting on a bench
Overall the car performs well as a daily driver, and if you aren't looking to set Nurburgring lap records you'll be satisfied with its performance. Even though it is less reliable than a standard civic the blue book value is lower, making it a better value when you factor in the better gas mileage.