Meh... the original Mustang was a tarted up economy car (Falcon) with an average-for-the-time chassis and an average engine, albeit really good looking styling. The next one was a bloated muscle car with a great engine but below average brakes and handling (what could possibly go wrong) and forgettable. The one after that returned to the tarted up economy car roots... then the Fairmont/Fox one after that was a really great car.
The two doors vs four doors thing is valid. If you like driving and owning two door cars then you'll understand; if you're not a two door fan then maybe you won't get the fuss.
