At first glance, for the present time in which I am making this post (so this may expire tomorrow, heh), I can tell my map is more comprehensive and up-to-date:
http://maps.google.com/maps/ms?hl=en&ie=UTF8&msa=0&msid=102801506841737540534.000482e8620e6981aff58&t=h&z=10
Also, my map is only...