Your true freinds will be your freinds through thick and thin. Those that gave you gifts whom are your true freinds will remain such when ever you decide to leave. The others are just aquaintences who gave you a baby gift and a card will do fine.
Are you projecting the feelings of betrayal you would feel if the rolls were reversed? This should not be of concern, because if they feel this way their gifts were for the wrong reasons. Gifts out of presure and not from a good heart. As in "It is better to give than to receive."
Also your leaving may cause others to consider their staying in the faulty jw belief system. Because if the jws were the way to salvation, would you be leaving? I think not!
My best wishes to you which ever way you decide to leave.
UWUF