I bought these for my car as an upgrade to my sound system about 2 months ago. I bought them on a special offer for 34.99 each. For the price the sound quality is very very good, they are powerfull and I found them easy to fit myself. The most difficult part was getting the old speakers out! For the price the power output is quite high considering the price. Also Pioneer is what I would consider a premium brand.
The speakers seem very solid but are very light compared to alot of the other speakers I was looking at.
The tweeters have extremely powerful magnets and reproduce the high frequencies with finesse while the supplied crossover filters balance the system perfectly.
In terms of looks the speakers look quite stylish and I would think that they would look good in most car interiors, and the covers can be easily removed if required.