Rockstar have let us know the South Central update for Midnight Club LA is now available from the Xbox Live Marketplace and PlayStation Store. You can pick up the Map Upgrade (free) as well as the South Central Premium Upgrade (800 MS points/$9.99 from PSN).
The South Central Map Expansion is free to all owners of Midnight Club: Los Angeles and adds four iconic neighborhoods equal to one third of the game's original map. The South Central Premium Upgrade, which gives players access to nine brand new cars ranging from SUVs to classic lowriders, complete with custom parts and body kits for each. Also included are 26 new races, 12 battle maps, 10 delivery missions, and over 100 red light races taking place in South Central. All of the races and events will expand
the game's story progression and are seamlessly integrated with the existing career elements.
We went hands-on with the update a while ago, you can view that write-up
here. If you do nab this, be sure to comment here your thoughts.