There's still a lot to sort through, but the California rejiggering could boost the House Democratic delegation by four seats. The question is whether it will have the same members. From the LAT:
The new maps promise to cause political migraines for a number of incumbents, including one of Los Angeles' most enduring Democratic politicians, Howard L. Berman. Berman could face a challenge from a well-known Latino if he runs in a more Latino east San Fernando Valley district carved from a chunk of the congressman's current district, or a possible race against fellow Democrat Brad Sherman in a new district that includes Berman's home and extends through the west San Fernando Valley. Virtually all of state's House members gain new territory, forcing them to make themselves known to new potential voters fast before the 2012 election.
Republicans veterans like David Dreier, Elton Gallegly, Gary Miller could face new challenges in the redrawing of their districts, according to David Wasserman, House editor of the Cook Political Report. So, too, might high-profile Latinos, including Democrats Xavier Becerra and Lucille Roybal-Allard.