My Christmas list this year included two Coleman Clothesline/Laundry Reels ( http://www.coleman.com/product/clotheslinelaundry-reel/827E140T#.U07utZmHMR9 ). I replaced the clothesline with 25' of stranded/insulated wire and made up a center insulator with a coax fitting.
Now I have a field configurable 30-10 meter dipole. All I need to do is attach the coax and wire/clothesline reels to the center insulator, roll both sides out to the proper dipole length for the band of choice, lock each leg by wrapping the wire around the tab on the reel and then hoist it up in the air. The wire still coiled on the reels at the two ends of the antenna should not be a problem.
Spring is close here in southern Minnesota. Soon I'll be able to take it out and give it a try.