I’m really surprised at this, but VMware have made certain session recordings generally available. Normally you can only see previous years’ recordings, so this is something new (to me anyway!)
http://www.vmworld.com/community/conference/us/learn/top-10
I guess some of it is to do with pushing new product (VSAN, NSX etc) and encouraging uptake of existing product (VSOM, SRM, VCAC, Hybrid Cloud), but a good proportion are technical deep dives on core technologies.
A good summary of the most worthwhile sessions is also listed here: