Some interesting links:

Rocky Mountain Lions Eye Bank
National Keratoconus Foundation 
Pacific Cataract and Laser Institute
Dave Dwyer's Transplant Page 
Julia Ziobro's Transplant Diary
Kevin O'Brien's Keratoconus Experience
Andreas Langer's Keralens.de (in German)
Center for Keratoconus
John Ackermann's Keratoconus Page
Chris Nelson's Keratoconus2000

*NEW - 2005*
The Research Channel's special on cornea transplants