Was the only difference the ending?

>I watched the 2nd DVD the other day and I wish I had skipped the theatrical release entirely. The 2nd DVD (alternate ending) was much better.
>
>
>>You might want to see this:
>>
>>THis is the other ending. Much better IMO
>>
>>http://www.firstshowing.net/2008/03/05/must-watch-i-am-legends-original-ending-this-is-amazing/