No you will still require VT, RVI etc to run 64bit guests, the remark refers to the hypervisor now being a 64bit peice of software, this enables the serious boost in Memory capacity for the hosts etc
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Tom Howarth VCP / vExpert
VMware Communities User Moderator
Blog: www.planetvm.net
Contributing author for the upcoming book "VMware Virtual Infrastructure Security: Securing ESX and the Virtual Environment”.