LOST came back really well... I had a few doubts early on but am loving the show.
Course it's not coming back on for a really long time so I might forget everything.
I can't imagine Jack would go to Ben's funeral - but it could have been anyone, Rose, Bernard, Locke, the other 20 people who's names we don't know) having the empty funeral... Of course if they are not meant the leave the island I have no idea where they show is going to go (or whether it was worth Charlie letting himself die to rescue Clair if they are not really leaving)