Accord to CNET, Motorola will introduce the Atrix 4G with dual core and 1GB of RAM. It has 16GB of on-board memory and a 1,920mAh lithium-ion battery. No release date or price point, but it looks to be an interesting phone and hopefully will come out in the 1st half of this year.
CES: AT&T announces Motorola Atrix 4G with dual-core processor - CES 2011 CNET Blogs