First off, congrats.
Now, here's the thing. Honda's are known to be very reliable cars and need next to nothing maintenance. Of course the standard oil change etc', but you will be almost rest assured that your car will last a long time.
350z's are awesome in my opinion. Nissan and Infiniti is like Honda and Acura or Lexus and Toyota.
Infiniti is a bit more luxurious.
Also, you might want to look into a BMW
Of course, I'm a BMW fanatic but who cares
Also, Subaru WRX/STI. Very nice cars too, and you could find nice deals on them.
Not necessarily the new ones, but 06/07 and down.
But I really suggest just going out one day and test driving any car that you might think about.
Oh, and Mazda RX-8's are nice, but Mazda is known for many problems and breakdowns so I don't think you'd want to go that way.