switching salt soon

[Bblinks]

I have just picked up a box of reefers best salt from jl for 100 bucks. I have always used reef crystal on all my tanks, now that my display is full of sps I figure I should try some thing better...
If there is no reason for the switch I would rather stay with my reef crystal. I have always mixed my salt with ro water and never had a problem with any residue form reef crystal.
My question for those advanced reefer with sps dominated tanks is it worth the extra money to use a "better" salt?
I know Myka's feed back has been salt is salt is salt is salt, but I am really curious if anyone else out there has seen a difference.