LAdobe User Group and LA-UX Meetup
The Los Angeles Adobe User Group provides information on all things related to Adobe products. From Photoshop to Premiere to Dreamweaver and newer tools like Reflow and Edge Animate. If it's Adobe it's here.
The LA-UX Meetip is the largest User Experience Meetup of its' kind in the United States. Providing monthly gatherings around User Experience and Web initiatives, the group also runs regular breakfasts at Cafe Laurent in Culver City as well.