This is hella cool!
http://maps.google.com/
it features:
click and drag map.
resizes with browser window size
double click location to center
very clean graphics
http://maps.google.com/maps?ll=31.542358%2C-110.277737&spn=0.072632%2C0.125452
http://maps.google.com/maps?ll=33.696533%2C-118.007820&spn=0.072632%2C0.125452
