Having it paid will be marginally better for your scores and yes prevent you from being sued.
Many CAs take several attempts with PFDs before they accept. If they respond first with a no... no this does not mean that is final and you should go ahead and pay them... you try again.
EQ 787 EX 781 TU 737 11/17/07
*** I am not an attorney. If I was, I might not clip coupons. If you want legal advice, consult an attorney. If you want my personal opinion, feel free to consider my posts***