In case you’ve missed it, Microsoft has announced that Microsoft Dynamics GP 2010 R2 will be available in the 1st half 2011. Get the details from Inside Microsoft Dynamics GP.
Microsoft Announces Microsoft Dynamics GP 2010 R2
Microsoft & the GP EcosystemGP 2010
Archived post from 2010. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.