We spotted a new look Live Search homepage about 11 days ago, and now it looks like the new page is back, at least for the moment:
Right now going from the new page to any of the links results in a hodge-podge of styles and themes, including broken personalized page gadgets, old looks, new looks, just about every shade of blue imaginable, and every variation on every theme Windows Live has tried. Schizophrenia rules!
Update: At the current moment (12:20pm pdt), we're back to the old page again. Wheee!