What ISP are all you guys that have problems on?
I'm using Shaw at the moment.
http://calgarypuck.dreamhosters.com/v374/header.png
That's the site we use to host all the small images for the site at the moment, try just that link and see if it pops up right away or if there's a long delay (Shift-F5 forces it to get the image).
http://forum.calgarypuck.com/galaxy.jpg
Right click and save that image and see what kind of transfer speeds you get.