In this little pictorial you will find most of the DDR3 modules that could be seen on CeBIT. Corsair has shown us their CAS6 DDR3 modules. They are operating at 1066MHz.
The second modules are from Patriot. These sticks have more aggressive timings than Corsair, 5-5-5, at the speed of 1066 MHz as well. There was no news about the heat spreaders.
The last picture is from Gigabyte booth, but no info about the RAM settings.