A document that has traditionally been very popular with Citrix customers is the one where it compares the current version of Citrix SBC with Terminall Server/ RDS. There is an updated document.
Quest recently released the Quest vWorkspace Mac AppPortal. This is a full vWorkspace AppPortal client meaning that you can run it using Quest vWorkspace Web Access, as the native AppPortal app and in Desktop Integrated mode.
This is a good article has some guidelines to follow when creating a VDI template. This one was written for Windows XP and VMware View but much of the content applies in general.
With Windows Server 2008 R2 MS support two VDI deployment scenarios: virtual desktop pools and personal virtual desktops. The two scenarios present two different models of assigning virtual machines to end users: shared and dedicated. This blog post describes personal virtual desktops.
This blog post describes the third-party extensibility support available in the RemoteApp and Desktop Connection Management service, and how third parties (Enterprises or ISVs) can leverage it to publish any resources (RDP or non-RDP) in Windows Server 2008 R2.