1) Get a Slim 4gb 360
2) Unscrew your existing 360 hard drive out of the caddy
3) (optional, it will fit anyway but recommended) Get something like this
http://www.ebay.com/itm/Hard-Disk-Dr...item43a9de7a9d
4) Shove it in the back of the slim, saving money AND not fannying about moving saves
5) Thank Hasney with hookers