They raise concerns about what this kind of "security" will mean in terms of computer and software ownership and other important issues. Diffe, in particular commented that this approach "lends itself to market domination, lock out, and not really owning your own computer. That's going to create a fight that dwarfs the debates of the 1990's.?
Microsoft is due to release more information about NGSCB at the WinHEC conference in May.