Drum Kit 600

...home in my studio. I am looking at the Sennheiser 600 Drum Kit Mics. Here is the link: Sennheiser USA - Drum Kit 600 - Drum mics / Drum Microphones - Instrument Microphones - Professional Audio I already own a Presonus FP10 which is connected through firewire to my iMac running OSX 10.8. Are these mics good...