Shipping will totally depend on the direction of travel, price of gas, and size of shipment. An SL262... you are probably better off hiring a company to pick up the boat and pull it with a truck - rather than a flatbed trailer. This could also be affected whether or not you have an arch.
Check out
http://www.uship.com -- they are owned by eBay.
I shipped my H240 from New Hampshire to Seattle (3300 miles or so). It was shipped by just pulling the trailer... the company used 3/4 ton trucks to pull boats around. My price was $2600.
With gas prices going up... shipping is goind to spendy. I think the west coast to east coast hauls are cheaper though also... just depends on the shipper.