I didn't know about this site where there is an ongoing Diary on the net from LOST!
http://www.abc.go.com/primetime/lost/diary1.html
it has been transcribed and reposted at this url:
http://www.dsera.com/lostdiary.html
but it does not include the last entry.
Transcriptions of the episodes
http://www.swedishpoet.com/losttranscripts.html