Have the other developers open the solution from source control.
Things I'd try: 1) reopen the solution from source control - VS should recreate the suo file with translations that will be correct for your machine.
2) use File/Source Control/Change Source Control dialog to unbind the websites, then bind them again.
ask me all you need know to help solve this situation.
We have migrated this solution from VSS6d to VSS2005 and VS2003 to VS2005.
not sure if this is the problem, certainly seems related.