I've uploaded the installation and service manuals for the toppers in the manuals section for anyone that wants to see how they go on.
2010 Jayco Eagle 351RLSA
2011 Nissan Titan 4x4 (don't worry, I don't pull the Eagle with it!)
Currently shopping for a Silverado 3500 Duramax
Oh, and I have a tent... Somewhere around here....
Here's the Manuals section - it's just a choice on the line "Home Forum Photos Manuals"
There's lots of advice and information in forums... sometimes it is correct. For example, all of my posts are made by a political appointee who got the job as a reward for contributions to my diesel bill.