Brent Dalton
Sua Sponte
If the OP wants it because he likes the look, that is cool. 
I think everyone is just trying to look out for him so he understands this before making a purchase only to find out it's not as good as expected... as we've all bought that part at sometime that was supposed to do X, only to realize it's a bunch of internet hype. Here is some of my experience from cross drilled rotors over the years.
I use to run the Porsche Big Red kit on my track RX7, which was a brembo kit from back in the day. The first thing everyone did was get rid of the crossdrilled rotors because they all absolutely crack and then eventually fail. I would get maybe 8-10 weekends out of a set of crossdrilled rotors. A set of regular would last at least 40 weekends. 8-10 weekends isn't bad, but when rotors were $400 a set and you could get 10 or 40, it was an easy choice.
My E92 M3 had crossdrilled rotors. I always kept street tires on at the track and never pushed it that hard. I had to replace the rotors after my first couple of events. The M3 rotors seemed to do ok. I still replaced with non crossdrilled and they were on the car when I sold it.
For C5Z's (I've owned a couple, one of which was a Phoenix T1 car), stock (not crossdrilled) would crack in a weekend on R compound tires. We would be lucky to get a day out of a crossdrilled one. I remember many of the SCCA T1 racers back in the day buying stock rotors by the pallet. Same with NASA TTA/PTA. Rule constraints was the reason a larger set of brakes weere not put on.
Just my experience and opinions. Like everyone else, I'm another guy on the internet
I think everyone is just trying to look out for him so he understands this before making a purchase only to find out it's not as good as expected... as we've all bought that part at sometime that was supposed to do X, only to realize it's a bunch of internet hype. Here is some of my experience from cross drilled rotors over the years. I use to run the Porsche Big Red kit on my track RX7, which was a brembo kit from back in the day. The first thing everyone did was get rid of the crossdrilled rotors because they all absolutely crack and then eventually fail. I would get maybe 8-10 weekends out of a set of crossdrilled rotors. A set of regular would last at least 40 weekends. 8-10 weekends isn't bad, but when rotors were $400 a set and you could get 10 or 40, it was an easy choice.
My E92 M3 had crossdrilled rotors. I always kept street tires on at the track and never pushed it that hard. I had to replace the rotors after my first couple of events. The M3 rotors seemed to do ok. I still replaced with non crossdrilled and they were on the car when I sold it.
For C5Z's (I've owned a couple, one of which was a Phoenix T1 car), stock (not crossdrilled) would crack in a weekend on R compound tires. We would be lucky to get a day out of a crossdrilled one. I remember many of the SCCA T1 racers back in the day buying stock rotors by the pallet. Same with NASA TTA/PTA. Rule constraints was the reason a larger set of brakes weere not put on.
Just my experience and opinions. Like everyone else, I'm another guy on the internet
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