Not knowing when highly anticipated products are going to show up can be a buzz-kill. With a dual-core processor, a laptop dock and an HD dock, Atrix 4G phone from Motorola is leader of the pack in the hot expectations category.

Shown at CES, it left phone buffs searching wildly for a release date, but it simply wasn’t available, until now. A leaked AT&T screen shows March 1, 2011 as a possible launch date.

Just possible, since, as many have noticed, AT&T likes to launch phones on Sundays, and March 1st happens to be a Tuesdau.