Ryan, do you have a high tolerance for noise? Or do you have a fan controller? If so I would suggest these.
They are counter rotating fans. Superb airflow characteristics and have very high static pressure.
http://mpja.com/directview.asp?product=15838+FN
Run at 5-7volts
Or (not counter rotating)
http://www.sidewindercomputers.com/de40ff1.html <--- Much quieter.
If you prefer something more mainstream..
http://www.jab-tech.com/Sunon-40x40x...1-pr-1943.html
http://www.svc.com/40x20fans.html
Or anything of the such from your favorite store.
Edit: Just reread, your having someone bringing one for you, so nevermind.