Best Ram For Rampage II Extreme ???

[dark_el_diablo]

Hi all im building an i7 rig and have the most important parts chosen except for the RAM.

MOBO: Asus Rampage II Extreme
GFX: SAPPHIRE Radeon HD 4870 X2 - 2 GB GDDR5 - PCI-Express
CPU: Intel® Core™ i7-920 Processor
RAM: ????

i need to know which is the best ram, and i think i will go for 3 x2gb

 

[hell_storm2004]

GKill 1600MHz CL7.
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231279&cm_re=gskill_ddr3_1600-_-20-231-279-_-Product

 

[dark_el_diablo]

what about corsair denominator gt