Heres a SHITTY list if you find a better one feel free to edit this and add your link. If I see yours is better I will delete my link.
http://www.uploading.com/files/7N8869RE/Object_ID.txt.html
Also feel free to edit this post to include some cool objects you found. I'll start with some of mine.
2002029 light beam generator
179682 brazier
178670 Circular platform, very good use for a basic floor.
170571 door
182728 BE chair with a glowing crystal at the top
177724 table
178304 shaking box
1557 gory table
182730 BE chair
164729 wall
105568 pile of wood
180322 ghost gate (Invisible wall, bottom is shown as a "straw" looking object but if you spawn in on flat ground that part will be in the ground and not seen.)