Thanks to GregDean and The ODI for sending this through.
Back in November, 2006 IGN TV published their top 50 list of LOST loose ends. At the time, the show had just aired the first six episodes of season 3, ending with "I Do", and we were looking forward to LOST returning three months later with "Not in Portland."
Now, with season 5 just a month away, IGN TV has revisited that original list of 50 mysteries, updated with the things "we know now": some are solved, some are half solved, and many remain mysteries!
Source: Read More at IGN