Well not actually a preview, but some designer commentary and two builds.
http://www.fantasyflightgames.com/edge_news.asp?eidn=5335
The twin Agressors list is like many we've seen over on the forums. I prefer HLC variants though.
The other list is very weird, I don't know how I would play that list, with those Y-wings that have to be both close to the action but sufficiently far away to not be burned by DMS.
Edited by chilligan