In the USA? Seed Savers is also a great organization. I've had a lot of success with their seeds...
and... they have a blog...sweet!
Here is an interesting article about planting according to the moon cycles... if want to give it a go there are lots of places to pick up calenders... just google moon phase gardening.
The farmers almanac sells a 2010 calender with the moon info included.
Sorry this post is so "linky"!!