Memorial day is 05/25/2015 – Orders will ship out on May 26th. There will not be any deliveries or shipping on Monday. Any order placed after 11am ET on Friday May 22nd will not start to ship out until Tuesday May 26th.
My favorite serial terminal program for configuring XBees is CoolTerm, which is free, open-source and cross platform. It's also actively supported by the author. http://freeware.the-meiers.org/#CoolTerm.