Jason (BB3) is married and became a dad last year of a baby girl named Quinn.
Amanda (BB9) also had a baby girl August 2010 named Gabriella
Eric & Jen (BB8) were in a movie together called Night Club released just recently both very small parts Eric in the part of Clarence and Jen is listed as Typing Bikini Girl
Tonya (BB3) was arrested in May of last year for reckless homicide following an allegedly drunken car crash that left two people dead according to TMZ. Never hear what happened with the charges.
Jeff (BB11) is did an online show for CBS called Around the World for Free. It looks like the 2nd season is starting this summer
Natalie (BB9) is still painting and posts photos and video on the web
Russell (BB11) is the 2010 Best of The West Champ Submission grappling Champ so it appears that he is still fighting or wrestling (not sure which one it is)
Jamie (BB1) is CEO of It Cosmetics, a company that specializes in innovative makeup products
April (BB 10) married the father of her baby in Vegas last November
Ollie (BB10) was doing football analyst for Fox Sports Arizona last November
Parker (BB9) seems to be hitting the game show circuit ... he has been seen on Price Is Right and Are you Smarter than a 5th grader
Amber (BB8) was arrested in April 3rd of this year on DUI-drugs, possession and child endangerment - no update on the results
Amanda (BB9) and Scott (BB5) were both on Dr. Phil the same week but different days in April of this year. Amanda over issues with her sister betraying her and Scott for his rage