For about four years I had no idea haste on gear made you attack faster, so I never used any of it. I thought it was just for when a mage cast haste ON you that it worked. I was completely naive, but at least I wasn't debating the fact afterwards. I'm now a NIN with a good amount of haste and -delay gear. I do have a piece I gimp myself on purpose with instead of a suppa out of sentimentality. I'm sure I'll trade it in some day. If FFXI had more lines in the macros, I'd probably swap even more gear, but I do swap gear constantly. I also have a macro for every weapon skill for different gear swapping based on its mods (Evisceration, Hi, Yu, or something else).

If I had more time to play, I'd probably have capped my haste gear, but real life wins.