Back on topic, whether to superflex or not depends on whether or not your going to go bigger later. I believe that some of the peices that come with the superflex are made for it to ride better, but they are fixed, where if you bought the Standard, for that extra money you could buy those pieces in their adjustable trim. Like i said, not all that familiar with the superflex, I have the Standard, but ive heard that in the bang for buck and cost effective upgradability catagories the standard wins out. I dont have any experience with long arms so i wont even comment.
99' Sport: 33's with 3.5" RE & 8k lbs winch