For ~$40 each way you can ship it fedex ground, if you can be without it for 4 business days on each side of the trip. I just did this for a trip after my bike friday was stolen, and it worked great. Otherwise, both bike fridays and Ritchey Breakaway bikes are good options. Don't worry about the reassembly. Its trivial. All you have to do is be able to unscrew and reattach the handlebars to the stem, and remove/reattach your pedals, wheels, and seatpost. Piece of cake. Packing and unpacking take less than 15 minutes. I like to wash the bike, pack it, and then relube after assembly.