THe problem with shipping a frame is that 1 stinking bracket on the side makes it "freight width" and it adds about $20 to the shipping cost... Sometimes you can get a sympathetic UPS person who will flub the dimensions to get a better price.
I shipped one to ron89 and I secured the title to the frame (hidden in an envelope of course) and UPS wrapped it it, and shipped it... I cannot recall the price, but I am certain it was under $50. One secret to remember is to tell them you have AAA insurance and you will get a discount too....
I considered greyhound, but I didnt want him to have to go to the greyhound depot to pick up his package.. I have heard they have great prices to ship freight though.