Many of the drops are backported ones from the 1.8 version, but of course there are a few new ones. =) Here are a few screenshots:
There are a few old favorites, and still lots of falling structures and spiral towers:




And of course you can climb up a lucky tower, or explore the depths of the spiral dungeon and brave the boss at the end:


And there are a couple new structures too...

There are also some new things, with a couple required mods. For instance, you can get killed by yourself who is even wearing a helmet:

Find a few little fish:

Get some useful Tinker's Construct metals and items (and even if you can't use the metals for anything, you can still make your blocks luckier with them!):


Even get some epic weapons and tools:

And get trapped in some pretty strange liquids:

