Buying a PC?

My friend is buying a new Gaming PC and doesnt want to build so which of these if better for its price? Or can you link me to a computer thats even better but at a max of 1100-1300$?Also I live in canada
These are the current choices:
Alienware Aurora
Aurora Value Gaming Desktop PC With ATI CrossFire – Alienware
CyberpowerPC Gamer Ultra 7512
Newegg.ca - CyberpowerPC Gamer Ultra 7512 Phenom X4 9850(2.5GHz) 4GB DDR2 500GB NVIDIA GeForce 9800 GT Windows Vista Home Premium 64-bit - Desktop PCs

thanks
~Endrien