Most uniforms are the same as Navy officer uniforms. You can google to find the official site for Navy uniforms. Some uniforms are unique to the Naval Academy. This site has some pictures:
http://www.usna.com/parents/michigan/
The names are not quite correct:
dress white = summer white
choker whites= service dress white
dress blue= working uniform blue alpha (I have heard the name of this uniform has changed)
mess dress= dinner dress blue