Not too long ago I picked up a Delta contractor saw (36-977) from CL and so far I have been extremely happy with it (heck of an upgrade from my old bench ryobi unit), but I need to replace one of the extension wings and would like to know if there really is a noticable gain from putting in the cast iron ones. The cost doesn't bother me, just want to make sure I'm not wasting money. I am pretty new to using nicer quality tools, when I started wood working a little over a year ago most of my stuff was hand-me-downs and lower quality since I didn't know if I would stick with it. Now that I am really getting into this I have been upgrading things as needed and these stamped wings are starting to irritate. Just about every time I slide the fence back and forth I have to bend them up or down. Is this a sign of previous owner abuse or just the effects of cheap wings?
Any help would be appreciated,
Mike