Space suits still need work.
The dumbest thing NASA ever did--okay, among the top ten dumbest things--was scrapping the Vikukal hard suit work that was being done out here at Ames. They developed a working, flexible spacesuit that was able to work at a pressure high enough to not need the prebreathing currently required in ISS/Shuttle suits.
I wonder how many people are aware that our astronauts cannot just "climb into spacesuits" in any kind of emergency without risking the "bends." Needless to say, this also cramps up quick repair or other EVA requirements except for the planned ones they have now.