The US Antarctic Program homepages:
http://www.usap.gov/
The University of Delaware (Bartol Research) site talking about IceTop/IceCube construction:
http://www.expeditions.udel.edu/antarctica/building-icecube-icetop.html
Dispatches from Polar Scientists (Exploratorium):
http://icestories.exploratorium.edu/dispatches/index.php
Teachers & researchers on the ice:
http://www.polartrec.com/
Some IceCube videos (three of them, available in different formats):
http://www.icecube.wisc.edu/~malkus/Video/MMSDVideo/
IceCube Project Homepage:
http://icecube.wisc.edu/
ARA Project Homepage, but there's not much here yet:
http://ara.physics.wisc.edu/