Bogut cannot actually put runs of games together without being injured.
Sometimes players with injury histories hold it together. Amare Stoudemire has played 78+ games in 4 out of the past 5 seasons, and the 29 games he missed in that fifth season were due to eye surgery and not knee problems. Ray Allen played 56 and 55 games in two of the four previous seasons due to repeated foot and ankle problems, and was coming off of surgery on both ankles when he was traded to Boston, but has since been durable.
I think he's probably as likely to be healthy next season as Tyson Chandler and more likely to be healthy than Chris Kaman, to compare him to a few other injury-prone centers.
I wouldn't trade Rondo for Bogut, but I think some people are so scarred by the Jermaine O'Neal experience that they tend to undervalue players who have had injury problems.