BUT did you know there is a manufacture that has 2 Slides - small ones BUT TWO of em on a camper... ... They are proud of the thing though -
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=50061&item=2497989843&rd=1
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=50061&item=2497989843&rd=1