Mike Tomlin won't be able to convert the Steelers from a 3-4 to a 4-3 in 2007, not when the Steelers don't have enough speed-rushing defensive ends and an active, space-eating middle linebacker to do more than experiment with the 4-3. They could make the switch in the future though. "Really, I think my philosophy in terms of style of play falls in line with what's been done in Pittsburgh," Tomlin told reporters last week at the owners meetings, when he made it official that the Steelers will stick with the 3-4. "Whether you do it out of a four-man or a three-man line, the attacking personality and mentality is the same."