Out of that list, the only thing worth getting is the UL80VT. Nothing else on that list will give you as perfect a mix between performance and battery life.

@ the G51 even making it on there.
If you don't mind purchasing used online, then like illictstylz said, you can easily get good deals on a laptop off their B&S. Here's an example ad -
http://forum.notebookreview.com/note...dr3-500gb.html