I have a sample in the National Marrow Donor Program.
3 yrs ago, they thought there was a possible match, and so ran the detailed analysis on my bloodwork.
Unfortunately, not a detailed match, but next time, if the opportunity presents itself, I have a 'detailed' sample from which to work from on file.
I would encourage EVERYONE to be the possible miracle for somebody, someday: Find the collection place near you on their website and give a sample of blood.
http://www.marrow.org/
~faith,
Timothy.