The Leukemia and Lymphoma Society:
http://www.lls.org/hm_lls

Light The Night walk:
http://www.lightthenight.org/

Team In Training (walk, run, or bike to raise money and awareness):
http://www.teamintraining.org

Purchase a "Relentless" wrist band, and show your support for the 'relentless' fight against blood related cancers:
Buty a wristband (http://www5.cintasvip.com/uniformcatalog/product.asp?pc=68896%2ENAD&i=68896&p=LLS+RETAIL&s=4340)
http://www5.cintasvip.com/uniformcatalog/images/LLS/68896_L0_R.jpg

Choose Hope (lots of cancer awareness items, and "Cancer Sucks" logo items)"
http://www.choosehope.com