The CompuStocx CEC3 PC3-10600 4GB DDR3 Dual Channel memory kit is equipped with heat spreader and the design is looking very nice. In the current OC review the 2x2GB DDR3 memory kit was extensively overclocked to test the results of these CSX OC modules inside and outside the specifications.
Link:
http://www.ocinside.de/html/results/csx_cec3_4gb_pc3_10600.html