I want sheep to drop meat. I really, really want sheep to drop meat. Has anyone else been starving in a flock of sheep? I sure have.
Also, I like the idea of a water breathing potion, which I heard of from paulsoaresjr. I always wonder what's in the bottom of those oceans, and with one of those nifty buggers I could go find out.
Obsidian, lapis, and emerald all need more uses. I'd love to see Obsidian armor. Think of how pretty it would be :3