the 2000's or the millenium (how do you call that decade) brought nothing new to the table when it comes to fashion.
Every single thing done was a rehash from everything else. Vintage, the 80's, 90's, leggings, the old hollywood glam, hippie, boho, etc, there was nothing new.
I don't think this was a spectacular decade when it comes to fashion, it has no identity. 20 years from now there is not going to be a 2000 look because there wasn't a 2000 look during the decade.
The last decade to have had an original defining look was the 90's.
The 2000's will be remembered because of the technology, ipods, blackberrys, facebook, etc but not because of fashion, there was really nothing exciting.