I'd like to point out that the VCA-DT blueprint was updated to 1.1 May 17th and the blueprint available here is old.
To download the current blueprint:
http://mylearn.vmware.com/mgrReg/register.cfm?course=90408&user=0&operator=0&pwd=&order=0&n=0&mL_met...
I couldn't really tell what was changed. Exam objectives looked the same, but I didn't look too closely.
Set-Annotation -CustomAttribute "The Impossible" -Value "Done and that makes us mighty"