"[COLOR=#1951B9]Some analysts believe the appointment means that the much-criticized browser will get a polish before the next major version of the Windows operating system, Longhorn, is released and IE's importance begins to fade.[/COLOR]"
In this reporter's opinion, the best way for IE to improve would be for Microsoft to follow its established form and takeover Mozilla Firefox, and turn that into Internet Explorer 8.
Or something like that. More here.