Only thing is, 2000ad has dried up a bit recently on the writing side. It's got a wee bit thin on the ground (which is slightly concerning).
There's been a bunch of creators have made the step across the Atlantic recently, some to Vertigo, others elsewhere - so Karen Berger wouldn't have a lot to choose from currently.
Ewing and Williams are obviously well established in the US now, Dowling has been working at Vertigo on Unfollowed and obviously Davis Hunt has hit the big time pretty quickly on WildStorm.
David Baillie has also really quickly jumped to Vertigo with Red Thorn.
PJ Holden has been doing a bit recently at Dark Horse on World of Tanks.
It really only leaves Alec Worley and Michael Carroll in terms of writers with real potential at this stage - and I get the feeling Carroll is quite happy doing Dredd and the likes - he did do Jennifer Blood recently, but I think that title suited him, and I hope he's happy staying on Dredd because he is a fantastic Dredd writer.
I think writers need to have a few quality Future Shocks and a good few decent, polished runs under their belt first - from what I've read of a lot of the others, there's been nothing startling. Not to say they won't improve, because even Ennis wasn't great when he broke thru on 2000ad - although he did know how to find a hook and tell a story.
I'm hoping we see some new names make the breakthrough soon, but I think people need to learn to run before they walk and appreciate that 2000ad shouldn't just be a stepping stone to the US and get at least 3-5 years of stories under their belts first.