Hi,
The exam is based on vSphere 5.0 so I would be very careful to not learn how to do things with the new features in vSphere 5.1.
Your lab sounds perfect for learning and using the valco labs study guides is what i used and they were awesome. 96 hours is a very short time to study IMO although it does depend on how much you use all the features mentioned in the blueprint in your day job. I wrote a blog posting about what i used and my experiences which will save me from mentioning it here VCAP5-DCA & DCD | TheSaffaGeek
Learn how to do things as fast as possible and make sure you do everything on the blueprint as many times as possible in your lab.
Good luck
Gregg