Philip Weiss of Mondoweiss, a great blog and a super activist, has made it through a few Egyptian checkpoints,along with the siege breakers and various activists he has been accompanying. He's been blogging about the trip on his outstanding website.
I've had him linked in the sidebar, but here it is again:
Latest update by phone:
Looks like were getting in. At egypt emigration. Police let us thru checkpoints. Feeling good, though who of all our number didn't get okd? A Palestinian trying to go home, papers out of order. Who doesn't feel rage at such a scene.