The author of the article writes, "So far we've been over the weapons that I don't particularly care for, and the weapons that I absolutely love and/or respect. The doesn't encompass everything though. There are definitely a couple left over that I feel are somewhere in between. They're tolerable, but not necessarily desirable."
This edition of the Halo 3 Beta Diaries covers the vehicles, the pros the cons and how to attain them in some stages. Good stuff.