I use the speed on only a handful of properties. Mainly to zip from backyard to front, or to go from trailer to grass. That being said, on past demo's of slower mowers, I found myself bottoming the sticks out on the stops and wanting more speed.
Also, the latest generation of flex forks are definitely stiffer then Version 1.0 of the 2006 era. With the machines being heavier themselves, I guess it was mandatory. My biggest complaint with the older versions were the crop circles from them being too bouncy when coming to a stop. Now they're perfect, and if Hustler ever decides to offer EFI and bigger fuel tanks, I would most definitely go with the flex-forks.
2004 GMC 2500HD Reg Cab BOSS 9.2 V-Plow
2013 eXmark LazerZ X-Series 60" 34hp EFI (RED) Kohler
2006 Hustler SuperZ 28EFI 60" Power Chute Design OCDC SOLD!
1996 48" SCAG Belt WB 14hp Kawasaki Classic Deck
Echo 2 strokes PB-755 & SRM 280
Eastman WM20H 20" Commercial Push mower (NEW for 2013)
Commercial Lawnboy trim mower 3-FOR SALE!http://www.lawnsite.com/showthread.php?t=424203
Solo since 1980