Pretty cool: the Virginia Quarterly Review is sponsoring a contest for book reviewers and critics under the age of 30. Check out this prize:
The prize for the winning entry is $1,000, publication in our Winter 2009 issue, and a publishing contract for three additional reviews worth up to $3,000. Finalists (up to five) will receive a complimentary one-year student or associate membership in the National Book Critics Circle, a one-year subscription to VQR, and may also be offered paid publication in VQR (in print or online).
There's no fee and a few very specific rules. Details here. Good luck!