The SEMA show always has the most extravagant show vehicles and the latest products from the automotive aftermarket industry. The Jeep Wrangler JK was quite possibly the most popular vehicle in the show, due to the popularity and ease with which it is modified by its owners.
Expedition Portal published a great collection of photos of 2012 SEMA Jeeps:
Expedition Portal also has a few pages of coverage on some of the more innovative new products for the Overlanding segment of the offroad market.
The Jeep brand wound up winning eBay Motors' "Peoples Choice Award for Off-Roading" for the Jeep Wrangler. Jeep Design Head Mark Allen accepted the award on behalf of the company: