Samsung has not the habit to unveil their Galaxy S series smartphones in the CES events, they have always presented these flagships in the occasion of the MWC in Barcelona, this year, rumours are indicating that there will be a special event by Samsung to unveil the Galaxy S6, but not in public !
Samsung might be planning to show their latest flagship to a limited number of journalists and privileged partners, so, if this happens, we surely will witness some leaks. The next Samsung Galaxy S6 in classified under the "Project Zero" of Samsung, a new project after the "Project J" and "Project K" dedicated for the Galaxy S4 and the Galaxy S5, so, maybe Samsung want to re-begin" from Zero !
According to rumours and leaks, the Galaxy S6 should be provided with a QHD Super AMOLED display and a SoC SnapDragon 810 processor, along with 3 GB of RAM, and a 20 MP camera sensor. Anyway Stay tuned for the next couple days !