I found that the update doesn't crash as often as the original, the original would crash on links. For example there is a facebook user called 'Droid' who posts android/droid related things and the old app it would crash when trying to go to one of his links. The new app fixed this by just going to his profile instead of following the link so I have to use the touch.facebook link in the browser to follow anything.
I've found that both methods get behind sometimes, usually when one is behind the other won't so I always have to check both to make sure I have the most up to date info.
I wish they would allow rotating of pictures from either, I'll take a picture and upload it then see its sideways, of course I can't tell on the droid since it auto rotates. Then I have t wait until i get home to get on the main facebook web site from a computer before I can rotate.
Also, both my original and the update list my updates as "facebook mobile" but other peoples I see "facebook for android" How can I make mine say facebook for android intead of just mobile?