We have heard that Cradlepoint will be releasing a new router called the CTR500. We don't have much info on it though. They did tell us that the CTR500 will not have the same issues that the MBR1000 is having with the AT&T Express card is getting stuck in the router. So we are assuming that the CTR500 will have an express card slot.

If you are experiencing the issue I stated above, the solution is here