I agree with J_walks that your characters are stronger in your work, and you should arrange it to play first in your demo-reel. The environment looks ok, but it's hard to figure out which pieces are made by you and which ones are made by the UT3 team. It's much better to just put your pieces in a scene and/or do more single-piece callouts after a brief overview.
Same way with your portfolio - the UT3 level is neat but if you are going for modeling/texturing rather than world building or lighting, you should consider moving that more towards the bottom. Fewer overview shots and more individual shots of the assets you made, etc etc.
Good luck and keep up the good work!