When researching and reading about the Citrix Excalibur tech preview I came across a lot of resources. I listed these resources for my own convenience and for you to profit from..
Bloggers
How to install and basic configuration of citrix avalon excalibur tech preview Ervik.as
Citrix excalibur technical-preview by Rob Beekmans
Project Avalon Excalibur Technology Preview: Installation and Configuration Using Windows Server 2012 Exclusively! Part 1-5 (link is for part 1) by Dane Young
Citrix excalibur tech preview and more by Stephane Thirion
Citrix Blogs
http://blogs.citrix.com/tag/excalibur/
Youtube Citrix Synergy 2012:
http://www.youtube.com/watch?v=BFgDknoCsbY&feature=youtu.be
Citrix’s own Excalibur Guide:
http://www.youtube.com/watch?v=-7CJ_WxgZ4Y&feature=relmfu part 1
http://www.youtube.com/watch?v=dLitW7F8Zxc&feature=relmfu part 2
http://www.youtube.com/watch?v=X4X3X2GO7I0&feature=relmfu part 3
http://www.youtube.com/watch?v=jeVsXM-Q1iA&feature=relmfu part 4
http://www.youtube.com/watch?v=gQGeIUkfEBw&feature=relmfu part 5
http://www.youtube.com/watch?v=jnwBPxwBg0w&feature=relmfu part 6
http://www.youtube.com/watch?v=agSS5upg9rk&feature=relmfu part 7
http://www.youtube.com/watch?v=_VNQl4NQ0DQ&feature=relmfu part 8
http://www.youtube.com/watch?v=-aAJfrabyzU&feature=relmfu part 9
http://www.youtube.com/watch?v=ddRESEWm4Xs&feature=relmfu part 10
The sources can be downloaded when you have a myCitrix account.
Of course these are not all the links and if there are more useful links please let me know so I can add it to my repository