Is this a good 2x512 kit ?

[wa77ss]

http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=80097-21

Kingston HyperX...but the timings are great.

 

[disk11]

A bit much for TCCD based ram. The OCZ set using the same ICs (and a better PCB IIRC) is $50 cheaper on newegg: http://www.newegg.com/Product/Product.asp?Item=N82E16820146890

 

[Lon3R]

Id say G.skill @those prices