We are also new to 5ers after many years of TTs. I find a world of difference in stability, among other things. I no longer have to worry about a passing semi that can blow you off the road. And just about everything inside stays put, unlike the TTs. The only things I really have to force myself to keep constantly in mind is that the 5er doesn't track behind the TV around corners - it tries to cut the corner. No problem if you are careful to make wide turns, however. The other thing is that mine is only 2 inches short of 13 feet to the A/C unit, so I have to watch the head.
I know you will really like your 5er, and will probably never look back. Welcome to the JOF and the 5er club in particular !
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.