As I say, I haven't tried Easy Transfer, so I cannot verify that the option for Custom transfer is there. And my old computer isn't even connected up any more, and there is no room for me to do it and try. But, as to why you weren't offered the option:
Well, that is a pretty old article, which MAY have been written for a beta version of Windows Vista... Did you check that all the other screens are as shown in the article? What type of transfer did you do: over the network, a USB pc-to-pc cable, or removable media?