Of course we all know bugs exist and happen every once in a while, but here are some of the fun ones I run into on a daily basis. Enjoy.
The See-through Multi-level building
http://puu.sh/lzlv9.jpg
Piper Vs. Machine
http://puu.sh/lzlx3.jpg
Too Big For My H.U.D
http://puu.sh/lzlys.jpg
*POSSIBLE SPOILER*
Finish The Quest... Talk To the Dead? (Legitimate issue, quest didn't fail automatically upon death?)
http://puu.sh/lzlAD.jpg