The home page is the most important one:
http://www.teragrid.org
TeraGrid getting started pages:
http://www.teragrid.org/userinfo/getting_started.php
Applying for TeraGrid resources:
http://www.teragrid.org/userinfo/access/accounts.php
https://pops-submit.ci-partnership.org/
Frost hardware and software information:
http://www.teragrid.org/userinfo/hardware/resources.php
GridFTP speedpage (including rates for frost). Please keep
in mind these numbers can vary quite a bit based on many
factors, including the network load at the time of the test,
the file systems used on either side, etc.
http://gridinfo.psc.edu/gridftp/speedpage.php