If you live in or commute through so-called "dead zones" for mobile service, then let us introduce you to the latest swath of signal boosters from Wi-Ex, each which are set to be unveiled at CES 2012. The first two -- compatible with the 800MHz and 1900MHz frequency bands -- include the zBoost zForce, an in-car amplification rig that'll retail for $99 (or $149 with the gooseneck adapter), and the zBoost SOHO Xtreme, which covers up to 5500 square feet and will set you back $549. Both products are ready for immediate availability. Finally, set for release in Q2 2012 is the zBoost 4G-V, which is designe