I do like my run-flats for what they do and since my car is new I do have the road hazzard protection which basicaaly gives me a new tire should I puncture a run-flat. They are comfortable and I can race a little with them, if I want. That being said NO...they are not the quietest tires I have ever had and not the best ride, there is some jaring at times, my best tires I ever had would fall to the yokahama's on my Prelude si.
That being said YES...I like having them because there is no space for the spare and I would not want the spare in the car taking up that EXTREMELY valuable space. Obiviously, mounting under the car is not an option and I don't want it mounted on the back of the care like the old Lincoln Mark IV's (??? the car Cannon drove in the t.v. show.)
The other alternative I have seen on a couple of MINI's was to mount a rack and put a bike on top and that becomes your spare tire. Sorry to those who do this but that is just not my cup of tea, but that's cool if it is what you want.
In the past I have had on average 2 flat tires per year on my Explorer so I am not comfortable at all with not having runflats on a car that does not carry a spare. Also, I use my R56 as a daily driver so if I am in traffic or need to drive several miles to get it where I am comfortable that the mechanics know what they are doing then I have that option.
Let the fireworks begin........
, sensitive issue for us regular folk in PV, were expected to pay our taxes but we don't seem to receive the same benefits. (touchy subject for us here 
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We had the biggest pothole in the city right across the street for a while. They did fix it, though!