I am currently a new Apple customer but I am still loyal to the bang the average PC tower provides this generation. I'm sorry but you are not wise to dish out so much for a Apple Tower when for half the price if not a quarter of the price, you can get a PC tower to run circles around it. Buying a "quality" PC tower will get you much better bang for the buck if optimized and setup correctly for your specific need.
I am a audio engineer and still have more than I need on a AMD A6 quadcore machine. Intel and Apple continue to raise hype with all this un-needed horsepower. At least AMD is more worried about saving you cash, reserving power and giving more speed as they innovate.
Apple is still worth it for the long haul for those doing daily needs like Facebook, documents and such. As for flat out raw power, sorry.....PC
ok fine, you convinced me.