Weellll......I doubt they will have a big fighting role in the foreseeable future, but their importance for recce and cloak-and-dagger tasks is already large and growing. On this topic, the Washington Post covered quite a bit of this under its "Dot.Mil" column, and a look through their archive could be interesting. Amongst other things they reported that the live video feed from Predators to HQ during Op. Anaconda had been more of a distraction and a temptation for the staff to interfere with micro-tactics than anything else. One US Army officer told them it was "an interesting toy" but not much else!