Cam up my 318, help me chose!

Check these out.The first one is milder idling,second one more more power.
http://www.google.com/url?sa=t&sour...KSJ--ljehIWT0f4REnX0Byw&bvm=bv.76802529,d.cGU


Or,http://www.google.com/url?sa=t&sour...T0ZD5TfHXNvB-v-d-Nbqrnw&bvm=bv.76802529,d.cGU