Othercompanies, notablyAcerandAsus, haveofferedconceptsor prototypes, and then there'sthemassive textbook-replacementKno (two14-inchscreens!), which should be released... eventually.
Windows 8 is coming in some very attractive packages from Acer, ASUS, Samsung, Fujitsu and even Dell and HP you can look over the range or products from the Intel Ultrabook page.